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NEWSLETTER 1/2025 26.1.2025
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Please acknowledge use of the database www.shark-references.com in your publications, and cite:
Pollerspöck, J. & Straube, N. 2025, Bibliography database of living/fossil sharks, rays and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali), www.shark-references.com, World Wide Web electronic publication, Version 2025 |
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New publication co-authored by N. Straube, team shark-references! Open access.  Weigmann, S., Didier, D., Finucci, B., Naylor, G.J.P., Séret, B., Straube, N., & Vaz, D.F.B. (2024). 2 | Biodiversity, Taxonomy, and Systematics. In R.W. Jabado, A.Z.A. Morata, R.H. Bennett, B. Finucci, J.R. Ellis, S. Fowler, M.I. Grant &. A.P. Barbosa Martins, S.L. Sinclair (Eds.), The global status of sharks, rays, and chimaeras (pp. 5–28). International Union for Conservation of Nature and Natural Resources. Lynghammar, A., Straube, N., Thomas, O. (2024). 7 | Regional Overviews, Northern Europe, Norway In R.W. Jabado, A.Z.A. Morata, R.H. Bennett, B. Finucci, J.R. Ellis, S. Fowler, M.I. Grant &. A.P. Barbosa Martins, S.L. Sinclair (Eds.), The global status of sharks, rays, and chimaeras (pp. 693–702). International Union for Conservation of Nature and Natural Resources. open access! ------------------------------------------------------------------------------------------------------------------------ 
Shark reference custom search tool and maintenance
Update to Phase 1!
In the meantime, our programmer has been able to programme a version of the necessary software so that our pdf's can be read and the text imported into the database. The first attempts are promising. In the meantime, the text of around 10000 articles has been imported into the database. We expect to be able to complete this process by the end of the year. Then, in a second step, the search function at shark-references will be expanded.
Our sincere thanks to all donors!!!
Fins up,
Jürgen & Nico
Some changes in the web-page organisation: We added a new ‚TOOLS‘ menu item- all available tools will be available here from now, for example a guide how to download species specific literature lists. Please check it out! 
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NEW PARTNERS OF SHARK-REFERENCES
Would you like to become a shark-reference partner? Please contact us per E-mail!
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Upcoming Meetings:
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There has been increasing global interest in basking shark distribution, population status, and sightings trends in recent decades, coinciding with new technologies and methods for monitoring highly mobile marine species. Additionally, there is growing consensus that international coordination is required to manage and conserve this endangered species. The IBSG and the National Parks and Wildlife Service therefore plan to organise and host an International Basking Shark Conference in Galway, Ireland from May 9 - 11, 2025, to coincide with the basking shark season here. The goals of this conference are interdisciplinary:
1) to create a global discussion of ongoing research
2) to encourage international collaboration and data sharing
3) to highlight the unique cultural history of the species.
To this end, while we will prioritize the attendance of researchers, the conference will be accessible to non-scientists as well.
https://www.baskingshark.ie/conference2025
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The annual meeting of the Asian Society of Ichthyologists and the Indo-Pacific Fish Conference will return to their regular schedule post-COVID-19. The most recent meetings were successfully held at Universiti Sains Malaysia in Penang, Malaysia, on May 28-29, 2024, and at the University of Auckland, New Zealand, on November 20-24, 2023. We are pleased to inform you that the upcoming joint conference, combining these two prestigious ichthyological events, will take place in Taipei, Taiwan, from June 9-13, 2025.
On behalf of the organizing committee, we welcome ichthyologists from around the world who are interested in sharing research about the systematics and ecology of Asian and Indo-Pacific fishes, including topics such as evolution, biogeography, taxonomy, ecology, biology, sustainable fisheries, and conservation. We look forward to the opportunity for the ASI to meet with the IPFC and are especially happy to do so in Taipei. The conference will provide an excellent opportunity to share the latest research results, develop collaborations, and promote research.
more information
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Registrations are open for the second edition of the workshop “Sharks of the Maldives: Introduction to field-based research and monitoring techniques” which will take place on the Liveaboard M/Y Island Safari 2 in the Central Atolls of the Maldives from the 5 to the 12 April 2025. The workshop is realised through the collaboration of MaRHE Center of the University of Milano-Bicocca, with Shark Research Mexico and White Wave Maldives. During this workshop, participants will work alongside marine scientists on a scientific expedition in the Maldives, where they will learn, dive and train in scientific monitoring techniques. The goal of this expedition is to introduce you to both theoretical knowledge and the practical skills necessary for conducting, assisting and supporting research projects focused on shark population surveys and data collection.
The workshop will be carried in English out through theoretical lessons and practical activities through SCUBA diving. It is requested to have an Advanced open water license and at least 30 logged dives. Registrations are open until 19th January 2025
Click https://marhe.unimib.it/activities/education/sharks-of-the-maldives/ for the full program and registrations. For info write to workshop.marhe@unimib.it or davide.seveso@unimib.it
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If you would like us to post information about your newly published work, please send us a picture and the paper as a pdf to nicolas.straube@shark-references.com or juergen.pollerspoeck@shark-references.com.
Nr. 1 (130 Likes/Emojis, 123 Shares):
This study documents the first known case of leucism in the broadnose sevengill shark Notorynchus cepedianus from the Southeastern Pacific, observed in a juvenile female specimen captured off the coast of Chimbote city (9°21’19’’S, 78°28’03’’W), Peru. Leucism is characterized by reduced pigmentation, resulting in a predominantly white appearance while maintaining normal iris color.
Thanks to Ignacio Contreras for sharing this paper!
Campos-León, S. & Zavalaga, F. & Arias, R. & Contreras, I. 2025 First Reported Case of Leucism in the Broadnose Sevengill Shark Notorynchus cepedianus (Hexanchiformes: Hexanchidae) from the Southeastern Pacific. Thalassas, 41, Article 41
Nr. 2 (53 Likes/Emojis, 9 Shares):
Thanks to Patrick Jambura for sharing:
-OPEN ACCESS-
New Evidence for the Contemporary Presence of Juvenile White Sharks (Carcharodon carcharias) in the Adriatic Sea
Patrick L. Jambura, Pero Ugarkovic, Mišo Pavicic, Ilija Cetkovic, Simone Niedermüller, Jürgen Kriwet and Julia Türtscher
Key Contribution: This study documents the capture of a juvenile white shark off the Croatian coast, representing the first verifiable record of a young-of-the-year white shark in the Adriatic Sea. It also explores the potential role of the Adriatic Sea as a nursery area for this species.
Keywords: Chondrichthyes; Mediterranean Sea; nursery area; citizen science; social media; threatened species
Reference:
Jambura, P.L.; Ugarković, P.; Pavičić, M.; Ćetković, I.; Niedermüller, S.; Kriwet, J.; Türtscher, J. New Evidence for the Contemporary Presence of Juvenile White Sharks (Carcharodon carcharias) in the Adriatic Sea. Fishes 2025, 10, 25. https://doi.org/10.3390/fishes10010025
https://shark-references.com/species/view/Carcharodon-carcharias
Images:
Carcharodon carcharias (Linnaeus, 1758), great white shark, Neptune Islands, South Australia, Indian Ocean © Alessandro De Maddalena
Nr. 3 (43 Likes/Emojis, 9 Shares):
-NEW CHECKLIST-
The marine cartilaginous fishes and sturgeons of the Sea of Marmara: an updated and annotated checklist
M. LEVENT ARTÜZ & RONALD FRICKE
ABSTRACT
A revised checklist of sharks, batoids, and sturgeons in the Sea of Marmara, Turkey encompasses 41 species across 18 families. It provides a concise historical context and addresses issues related to problematic reports. Furthermore, the paper delves into the analysis of taxonomic changes in other literature reports, aiming to provide a framework for upcoming ichthyological surveys and ecological studies, while also presenting relevant data on the economic significance of select species.
Key words: teleost fishes, ichthyofauna, Turkey, distribution, Bosporus, Dardanelles
Reference:
Artüz, M.L. & Fricke, R. (2024) The marine cartilaginous fishes and sturgeons of the Sea of Marmara: an updated and annotated checklist. Zootaxa, 5501(4), 531–541
DOI: 10.11646/zootaxa.5501.4.3
Shark references:
https://shark-references.com/species/view/Hexanchus-griseus
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New Images
Many thanks to the following people for providing images:
Javier Guallart, Universitat de València for imageS of Raja radula Delaroche, 1809
T. Reinecke, Bochum for images of
Palaeohypotodus rutoti (Winkler, 1874)
Heterodontus vincenti (Leriche, 1905)
Xiphodolamia ensis Leidy, 1877
Anomotodon novus (Winkler, 1874)
L. Ignacio Contreras for a image of Schroederichthys bivius (Müller & Henle, 1838)
Jaime Penadés-Suay, Associació LAMNA for images of Leucoraja naevus (Müller & Henle, 1841)
John Thijssen & Ilse DeLaet for a image of Gladioserratus aptiensis (Pictet, 1865)
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Missing papers:
Many thanks to all friends of shark-references, who sent us some missing papers last month!
Shark-References would kindly like to ask you for your contribution to this project.
At the moment we are looking for some of the following papers:
Extinct Chondrichthyes:
new entry: Silva, E.M. & Gallo, V. (2002): New occurrence of Myliobatiformes (Chondrichthyes: Batoidea) in the Maria Farinha Formation, Paleocene of the Pernambuoc-Paraiba Basin, Northeastern Brazil. Boletim do Museu Nacional, 65, 1–11
new entry: Santos, R.S. (1968): A paleoictiofauna da formacao Santana - Euselachii. Anais da Academia Brasileira de Ciências, 40(4), 491–497
Extant Chondrichthyes:
new entry: Gosztonyi, A.E. (1973) Sobre el dimorfismo sexual secundario en Halaelurus bivius (Müller y Henle, 1841) Garman 1913 (Elasmobranchii, Scyliorhinidae) en aguas Pagagonico-Fueguinas. Physis, A, 32(85), 317–323
new entry: Pokapunt, W,J. & Tantivala, A. & Munprasit & Samrankitdamrong, P. (1983) Some deep-sea fishes in the Andaman Sea. Exploratory Fishing Division, Department of Fisheries, Bangkok, 70 pp.
Please support www.shark-references.com and send missing papers (not listed papers or papers without the info-symbol) to juergen.pollerspoeck@shark-references.com or nicolas.straube@shark-references.com
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TAXONOMIC NEWS/ NEW SPECIES
Extant Chondrichthyes:
no news this month
Extinct Chondrichthyes:
Duffin, C.J. & Lauer, B. & Lauer, R. (2025): New Janassid Petalodontiform (Chondrichthyes) teeth from the Late Carboniferous of Kansas, USA. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, 313(2), 215–232
New species: Batillodus beaveri
Abstract: An associated but not articulated group of 15 isolated janassid petalodontiform teeth, sampling the lower left and upper right parts of the dentition, is described from the marine Kasimovian (Upper Pennsylvanian, Late Carboniferous) Block Limestone Member (Cherryvale Shale Formation, Linn Subgroup, Kansas City Group) of Overland Park, Kansas City Metropolitan area, Johnson County, Kansas, USA. The teeth are described and allocated to Batillodus beaveri gen. et sp. nov. The teeth of this taxon are the largest of any known janassid, measuring up to 70 mm high. The dentition exhibits strong dignathic heterodonty. Lower teeth possess relatively long roots and crowns which are longer than wide with smooth, non-cuspidate cutting edges. Upper teeth have relatively short roots, crowns which are wider than they are high and a relatively large central trough. Upper symphyseal teeth possess multicuspidate cutting edges to the crown. Zoobank paper registration: urn:lsid:zoobank.org:pub:DA17921D-E46B-491E-99AD-35769A146DAC
Hodnett, J.-P.M. & Egli, H.C. & Toomey, R. & Olson, R. & Tolleson, K. & Boldon, R. & Tweet, J.S. & Santucci, V.L. (2025): Obruchevodid petalodonts (Chondrichthyes, Petalodontiformes, Obruchevodidae) from the Middle Mississippian (Viséan) Joppa Member of the Ste. Genevieve Formation at Mammoth Cave National Park, Kentucky U.S.A. Journal of Paleontology, in press
New species: Clavusodens mcginnisi
Abstract: Obruchevodid petalodonts are rare small chondrichthyans known from nearly complete to partial skeletons from the Upper Mississippian (Serpukhovian) Bear Gulch Limestone of central Montana and isolated teeth from the Upper Mississippian Bangor Limestone of northern Alabama. New records of obruchevodid petalodonts are presented here from the Middle Mississippian (Viséan) Joppa Member of the Ste. Genevieve Formation at Mammoth Cave National Park, Kentucky. Obruchevodids are here represented by multiple teeth of a new taxon, Clavusodens mcginnisi n. gen. n. sp., and a single tooth referred to ?Netsepoye sp. Clavusodens mcginnisi n. gen. n. sp. is characterized by teeth with pointed mesiodistal and lingual margins and more robust chisel-like cusps on the anterolateral and distolateral teeth. The suggestion that obruchevodid petalodonts evolved to inhabit complex reef-like environments and other nearshore habitats with a feeding ecology analogous to extant triggerfish is explored and discussed.
UUID: http://zoobank.org/0955c37a-c458-4a4d-89c4-01d6915adeca
Parasites:
Ota, Y. & Erasmus, A. & Grutter, A.S. & Smit, N.J. (2024): Two new species and new host and distribution records of Gnathia Leach, 1814 (Crustacea, Isopoda, Gnathiidae) from Western Australia and the Great Barrier Reef. Zookeys, 1193, 125–144
New species: Gnathia taurus
Abstract: Gnathia antennacrassa sp. nov. from seagrass beds off Rottnest Island, Western Australia is the first record of any gnathiid from the entirety of Western Australia; the male can be distinguished from congeners by the stout peduncular articles of the antenna. Gnathia taurus sp. nov. is described from two adult specimens reared from praniza larvae found infecting elasmobranch fishes at Heron Island, southern Great Barrier Reef; the males can be distinguished from all congeners by the dorsally strongly elongate mandibles and smoothly rounded mediofrontal process on the anterior part of cephalosome. Gnathia aff. maculosa Ota & Hirose, 2009 is recorded from Australia, together with further records of G. trimaculata Coetzee, Smit, Grutter & Davies, 2009 and G. grandilaris Coetzee, Smit, Grutter & Davies, 2008, all from elasmobranch fishes.
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Latest Research Articles
Extant Chondrichthyes:
Andrzejaczek, S. & Digiacomo, A.E. & Mikles, C.S. & Pagniello, C. & Reimer, T.E.J. & Block, B.A. (2024): Lunar cycle effects on pelagic predators and fisheries: insights into tuna, billfish, sharks, and rays. Reviews in Fish Biology and Fisheries, in press https://dx.doi.org/10.1007/s11160-024-09914-7
Artüz, M.L. & Fricke, R. (2024): The marine cartilaginous fishes and sturgeons of the Sea of Marmara: an updated and annotated checklist. Zootaxa, 5501(4), 531–541 https://dx.doi.org/10.11646/zootaxa.5501.4.3
Bañón, R. & Baldó, F. & González-Carrión, F. & de Carlos, A. (2024): Northern range extension of the round stingray Taeniurops grabatus (Geoffroy Saint-Hilaire, 1817) (Myliobatiformes: Dasyatidae). Environmental Biology of Fishes, in press https://dx.doi.org/10.1007/s10641-024-01642-y
Belackova, A. & Bentes, L. & Buhl-Mortensen, L. & Horta e Costa, B. & Gonçalves, J.M.D. (2025): Evaluation of MPA effects on small-scale fisheries: A long-term landings-based monitoring approach. Ocean & Coastal Management, 261, Article 107502 https://dx.doi.org/10.1016/j.ocecoaman.2024.107502
Bouyoucos, I.A. & Weinrauch, A.M. & Eastham, T.M. & Eori, L. & Macpherson, J. & Porter, D. & Schoen, A.N. & Wahl, R.C. & Anderson, W.G. (2024): Physiological assessment of the effects of experimental capture and transport in Pacific spiny dogfish. Canadian Journal of Fisheries and Aquatic Sciences, in press https://dx.doi.org/10.1139/cjfas-2023-0276
Buckley, M. & Oldfield, E.M. & Oliveira, C. & Boulanger, C. & Kitchener, A.C. & Fuller, N.R. & Ardren, T. & Thompson, V.D. & Fitzpatrick, S.M. & Lefebvre, M.J. (2024): Species identification of modern and archaeological shark and ray skeletal tissues using collagen peptide mass fingerprinting. Frontiers in Marine Science, 11, Article 1500595 https://dx.doi.org/10.3389/fmars.2024.1500595
Campos-León, S. & Zavalaga, F. & Arias, R. & Contreras, I. (2025): First Reported Case of Leucism in the Broadnose Sevengill Shark Notorynchus cepedianus (Hexanchiformes: Hexanchidae) from the Southeastern Pacific. Thalassas, 41, Article 41 https://dx.doi.org/10.1007/s41208-024-00791-2
Carluccio, A. & Capezzuto, F. & Maiorano, P. & Sion, L. & D'Onghia, G. (2024): Fishes Associated with a Vulnerable Marine Ecosystem Network in the Central Mediterranean Sea. Fishes, 9(11), Article 433 https://dx.doi.org/10.3390/fishes9110433
Chong, W.N. & Adiana, G. & Baharom, I.N. & Kamaruzzaman, B.Y. & Takarina, N.D. & Ong, M.C. (2024): Level of heavy metals in marine stingrays (Chondrichthyes: Dasyatidae) landed from Johor Waters, Malaysia. Marine Pollution Bulletin, 209, Article 117281 https://dx.doi.org/10.1016/j.marpolbul.2024.117281
Ciocanaru, I.A. & Nieuwenhuis, B.O. & Ostrovski, R.L. & Cochran, J.E.M. & McIvor, A.J. & Jones, B.H. (2024): Aerial Imagery Reveals Abnormal Stingray, Taeniura lymma (Myliobatiformes: Dasyatidae), in the Central Red Sea. Ecology and Evolution, 14(12), Article e70411 https://dx.doi.org/10.1002/ece3.70411
Cobarrubia-Russo, S. & Briceño, Y. & Sánchez, L. & Velásquez, G. & Thielen, D. & Quintero-Torres, E. & Molero-Lizarraga, A. & Rodríguez, J.P. (2025): Overlap of predator foraging and fishing over a cyclical annual biomass source in the South Caribbean. Regional Studies in Marine Science, 81, Article 103936 https://dx.doi.org/10.1016/j.rsma.2024.103936
Cole, G. & Lavender, E. & Naylor, A. & Girling, S. & Aleynik, D. & Oppel, S. & Dodd, J. & Thorburn, J. (2024): Physiological responses to capture, handling and tagging in the critically endangered flapper skate (Dipturus intermedius). Conservation Physiology, 12(1), Article coae077 https://dx.doi.org/10.1093/conphys/coae077
Colloca, F. & Arcioni, M. & Acampa, F. & Valente, S. & Ventura, D. & Di Lorenzo, M. & Milisenda, G. & Moro, S. (2024): Assessing the relevance of sharks and rays for Mediterranean EU fisheries to support a transition from species exploitation to species conservation. Reviews in Fish Biology and Fisheries, in press https://dx.doi.org/10.1007/s11160-024-09915-6
Constance, J.M. & Garcia, E.A. & Rangers, Y.M. & Davies, C.L. & Kyne, P.M. (2024): Sharks and Rays of Northern Australia's Roper River, with a Range Extension for the Threatened Speartooth Shark Glyphis glyphis . Animals, 14(22), Article 3306 https://dx.doi.org/10.3390/ani14223306
Cullen, J.A. & Marshall, C.D. (2024): Scaling of bite force corresponds with ontogenetic niche shifts in coastal elasmobranchs. Frontiers in Marine Science, 11, Article 1452984 https://dx.doi.org/10.3389/fmars.2024.1452984
Del Moral-Flores, L.F. & Galván-Piña, V.H. & Ruiz-Rosas, T. & Zazueta-Niebla, E.H. (2024): Northernmost record of the Pacific chupare, Styracura pacifica (Beebe & Tee-Van 1941) (Myliobatiformes: Potamotrygonidae) on the coasts of the Mexican Pacific. Hidrobiologica, 34(3), 207–210
Dixon, O.F.L. & Aldridge, S.E. & Kohler, J.K. & Veeder, A. & Chin, P. & Fernandes, T.F. & Austin, T. & Ormond, R.F. & Gore, M.A. & Vaz, D.F.B. & Gallagher, A.J. (2024): First records of the roughskin dogfish Centroscymnus owstonii in the greater Antilles, central Caribbean Sea, Western Atlantic Ocean. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.16008
Flaum, B. & Schmitt, K. & Hu, R. & Kong, T.F. & Mollen, F.H. & Baum, D. & Debiais-Thibaud, M. & Dean, M. (2025): Staghorn or stingray? High-resolution network analysis of cartilaginous trabeculae. In SICB 2025, Atlanta, GA Meeting
Gajic, A.A. & Sulikowski, J.A. (2024): From rarity to reality: the hidden abundance of critically endangered deep-sea little gulper shark (Centrophorus uyato) in the southern Adriatic Sea. Mediterranean Marine Science, in press https://dx.doi.org/10.12681/mms.37404
Galindo, E. & Costa-Pereira, R. & Cruz-Escalona, V.H. & López-García, J. & Morales-Zárate, M.V. & Tavera, J. & Salinas-Zavala, C.A. & Navia, A.F. (2025): Spatiotemporal patterns of trophic niche variation within and among species of tropical coastal fishes. Biotropica, 57(1), Article e13411 https://dx.doi.org/10.1111/btp.13411
García-Ruiz, C. & Hidalgo, M. & Ciércoles, C. & González-Aguilar, M. & Torres, P. & Urra, J. & Rueda, J.L. (2024): Spatial Distribution and Temporal Variation of Megafauna in Circalittoral and Bathyal Soft Bottoms of the Westernmost Biodiversity Hotspot of the Mediterranean Sea: The Alboran Ridge. Diversity-Basel, 16(11), Article 686 https://dx.doi.org/10.3390/d16110686
Garzon, F. & Williams, C.T. & Cochran, J.E.M. & Tanabe, L.K. & Abdulla, A. & Berumen, M.L. (2024): Correction: A multi-method characterization of Elasmobranch & Cheloniidae communities of the north-eastern Red Sea and Gulf of Aqaba. Plos One, 19(12), Article e0315200 https://dx.doi.org/10.1371/journal.pone.0315200
Gayford, J.H. & Flores-Flores, E.M. (2024): No evidence for population-level benefits of polyandry in sharks and rays. Plos One, 19(9), Article e0308141 https://dx.doi.org/10.1371/journal.pone.0308141
Giaroli, M.L. & Byrne, I. & Gilby, B. & Taylor, M. & Chargulaf, C.A. & Tibbetts, I.R. (2024): The distribution and significance of stingray feeding pits in Quandamooka (Moreton Bay), Australia. Marine and Freshwater Research, 75(18), Article Mf23247 https://dx.doi.org/10.1071/mf23247
Grobler, D.L. & Klein, J.D. & Dicken, M.L. & Mmonwa, K. & Soekoe, M. & van Staden, M. & Hagen, S.B. & Maduna, S.N. & Bester-van der Merwe, A.E. (2024): Seascape Genomics of the Smooth Hammerhead Shark Sphyrna zygaena Reveals Regional Adaptive Clinal Variation. Ecology and Evolution, 14(12), Article e70644 https://dx.doi.org/10.1002/ece3.70644
Hancock, G.M. & Dudley, K.D. & Long, D.D. & Lowe, C.G. (2024): Self-reported previous experiences with sharks and stingrays predict behavioral intentions of tolerance: differential effects of wild versus captive marine predators. Frontiers in Marine Science, 11, Article 1501367 https://dx.doi.org/10.3389/fmars.2024.1501367
Hauser-Davis, R.A. & Wosnick, N. & Chaves, A.P. & Giareta, E.P. & Leite, R.D. & Torres-Florez, J.P. (2024): The global issue of metal contamination in sharks, rays and skates and associated human health risks. Ecotoxicology and Environmental Safety, 288, Article 117358 https://dx.doi.org/10.1016/j.ecoenv.2024.117358
Hoffmayer, E.R. & Driggers, W.B. & III, Falterman, B.J. & Franks, J.S. & Hendon, J.M. & McKinney, J.A. & Shelley, J.P. (2024): Spinal deformity in a whale shark, Rhincodon typus (Smith 1828), encountered in the northern Gulf of Mexico, with notes on its movement patterns. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.16012
Holst, M.M. & Wheaton, C.J. & Schoen, A.N. & Spangenberg, J.V. & McEligot, K.T. & Schouest, M.L. & Burns, C.M. & Mylniczenko, N.D. (2024): Comparison of Physiological Stress Indices in Anesthetized and Manually Restrained Leopard Sharks, Triakis semifasciata. Biology-Basel, 13(11), Article 878 https://dx.doi.org/10.3390/biology13110878
Hunt, E. & Bradford, R.W. & Booth, D.J. & Doak, C. & Patterson, T.A. & Peddemors, V.M. (2024): Ontogenetic change in body shape for white sharks, Carcharodon carcharias, in Australian waters. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.16016
Jambura, P.L. & Ugarković, P. & Pavičić, M. & Ćetković, I. & Niedermüller, S. & Kriwet, J., & Türtscher, J. (2025): New Evidence for the Contemporary Presence of Juvenile White Sharks (Carcharodon carcharias) in the Adriatic Sea. Fishes, 10, Article 25 https://dx.doi.org/10.3390/fishes10010025
Kawai, T. & Tashiro, F. & Nakayama, N. & Kumagai, Y. & Aungtonya, C. & Tuanapaya, S. (2024): Deep-sea fished collected from the Andaman Sea by R/V Chakrathong Tongyai during 1996–2000 Part 9: Orders Chimaeriformes, Cacharhiniformes, Torpediniformes and Rajiformes. Phuket Marine Biological Center Research Bulletin, 81, 93–104 https://dx.doi.org/10.14456/pmbcrb.2024.5
Kerkhof, W. (2024): Eikapsels op het Strand van Noord-Holland. Het Zeepaard, 84(4), 151–156
Lenain, V.M. & Matusevich, F. & Gabbanelli, V. & Vazquez, D.M. & Awruch, C.A. & de Astarloa, J.M.D. & Mabragana, E. (2024): First Reports on Reproductive Traits of the Endemic Southwestern Atlantic Rio Skate Rioraja agassizii (Rajiformes, Arhynchobatidae) in Captivity. Aquatic Conservation-Marine and Freshwater Ecosystems, 34(12), Article e70022 https://dx.doi.org/10.1002/aqc.70022
Li, A. & Schindler, M. & Paskin, M. & Surapaneni, V.A. & Scott, E. & Hauert, S. & Payne, N. & Cade, D. & Goldbogen, J. & Mollen, F.H. & Baum, D. & Hanna, S. & Dean, M. (2025): Functional models from limited data: parametric anatomy and 3D kinematics of basking shark feeding [Abstract]. In SICB 2025, Atlanta, GA Meeting
Logan, R.K. & Anderson, J.M. & Burns, E.S. & Chacon, Y.S. & Freedman, R. & García-Rodríguez, E. & Jahn, E. & Lyons, K. & Meese, E.N. & Merson, Z.S. & O'Sullivan, J. & Rex, P.T. & Spurgeon, E. & Stirling, B.S. & White, C.F. & Winkler, C. & Jorgensen, S. & Sosa-Nishizaki, O. & Lowe, C.G. (2024): Long-term tracking captures the timing of ontogenetic niche shifts in northeast Pacific white sharks. Ecosphere, 15(10), Article e70034 https://dx.doi.org/10.1002/ecs2.70034
Lund-Ricard, Y. & Calloch, J. & Glippa, V. & Vandenplas, S. & Huysseune, A. & Witten, P.E. & Morales, J. & Boutet, A. (2024): Postembryonic Maintenance of Nephron Progenitor Cells with Low Translational Activity in the Chondrichthyan Scyliorhinus canicula . Journal of the American Society of Nephrology, in press https://dx.doi.org/10.1681/asn.0000000558
Maioli, F. & Weigel, B. & Lindmark, M. & Manfredi, C. & Zupa, W. & Bitetto, I. & Russo, T. & Casini, M. (2024): Assessing the overlap between fishing and chondrichthyans exposes high-risk areas for bycatch of threatened species. Ecosphere, 15(11), Article e70050 https://dx.doi.org/10.1002/ecs2.70050
Martinelli, L. & Nelson, N. & Duke, E. & Christiansen, E.F. & Westmoreland, L.S. & Harms, C.A. & Harrison, T.M. (2024): Use of computed tomography to determine body surface area and K -constant in Atlantic Stingrays for chemotherapeutic dosing. Journal of Aquatic Animal Health, in press https://dx.doi.org/10.1002/aah.10236
Mourier, J. & Soria, M. & Silk, M. & Demichelis, A. & Dagorn, L. & Hattab, T. (2024): Both Environmental Conditions and Intra- and Interspecific Interactions Influence the Movements of a Marine Predator. Ecology and Evolution, 14(12), Article e70659 https://dx.doi.org/10.1002/ece3.70659
Muhala, V. & Guimaraes-Costa, A. & Macate, I.E. & Lutz, I. & Bessa-Silva, A.R. & Rabelo, L.P. & Hasimuna, O.J. & Evangelista-Gomes, G. & Vallinoto, M. & Sampaio, I. (2024): A possible new species of the Maculabatis gerrardi complex (Dasyatidae: Urogymninae) in the Indian Ocean coast off Southeastern Africa. Journal of the Marine Biological Association of the United Kingdom, 104, Article e107 https://dx.doi.org/10.1017/s0025315424000973
Nehemia, A. & Shabani, M. & Malisa, A.L. (2024): Population Expansion but Limited Gene Flow in Kuhl's Blue-Spotted Maskray Along the Tanzanian Coast. African Journal of Ecology, 62(4), Article e13340 https://dx.doi.org/10.1111/aje.13340
Nijman, V. & Chavez, J. (2025): Limited support for Global North-Global South inequality in regulating international trade in scalloped hammerhead sharks. Marine Policy, 171, Article 106443 https://dx.doi.org/10.1016/j.marpol.2024.106443
Nisa-Castro-Neto, W. & Wagner, P.G.C. & Kipper, D. & da Silveira, V.P. & Fonseca, A.S.K. & Ikuta, N. & Lunge, V.R. (2024): Mitochondrial Genome and Phylogenetic Analysis of the Narrownose Smooth-Hound Shark Mustelus schmitti Springer, 1939. Animals, 14(23), Article 3396 https://dx.doi.org/10.3390/ani14233396
Palacios, M.D. & Weiand, L. & Laglbauer, B.J.L. & Cronin, M.R. & Fowler, S. & Jabado, R.W. & Gyi, T.K. & Fernando, D. & De Bruyne, G. & Shea, S.K.H. & Hilton, P. & Gao, Y.L. & Stevens, G.M.W. (2024): Global assessment of manta and devil ray gill plate and meat trade: conservation implications and opportunities. Environmental Biology of Fishes, in press https://dx.doi.org/10.1007/s10641-024-01636-w
Pancaldi, F. & Ayres, K.A. & Gallagher, A.J. & Moskito, J. & Williamson, K.C. & Rivas, J.E.H. (2024): Killer whales (Orcinus orca) hunt, kill and consume the largest fish on Earth, the whale shark (Rhincodon typus). Frontiers in Marine Science, 11, Article 1448254 https://dx.doi.org/10.3389/fmars.2024.1448254
Peixoto-Rodrigues, M.C. & Adesse, D. & Vianna, M. & Hauser-Davis, R.A. (2025): Shark-on-a-dish: Elasmobranch cell cultures as a promising tool for the conservation of threatened species. Marine Pollution Bulletin, 210, Article 117349 https://dx.doi.org/10.1016/j.marpolbul.2024.117349
Peña-Cutimbo, N. & Córdova-Zavaleta, F. & Velarde-Vílchez, M. & Jimenez, A. & Pingo, S. & Ramirez, P. & Castañeda, J. & de la Cruz, J. & Mangel, J.C. & Alfaro-Shigueto, J. (2025): Comparative feeding analysis between the Chilean eagle ray Myliobatis chilensis (Philippi, 1982) and the Peruvian eagle ray Myliobatis peruvianus (Garman, 1913) from northern Peru. Regional Studies in Marine Science, 81, Article 103915 https://dx.doi.org/10.1016/j.rsma.2024.103915
Pogoreutz, C. & Gore, M. & Perna, G. & Ormond, R. & Clarke, C.R. & Voolstra, C.R. (2024): Microenvironments of black-tip reef sharks (Carcharhinus melanopterus) provide niche habitats for distinct bacterial communities. Coral Reefs, in press https://dx.doi.org/10.1007/s00338-024-02593-7
Roberson, L.A. & Brown, C.J. & Klein, C.J. & Game, E.T. & Wilcox, C. (2024): Opportunity to Leverage Tactics Used by Skilled Fishers to Address Persistent Bycatch Challenges. Fish and Fisheries, in press https://dx.doi.org/10.1111/faf.12873
Rojas-Perea, S. & D'Costa, N.G. & Kanagusuku, K. & Escobedo, R. & Rodríguez, F. & Mendoza, A. & Maguiño, R. & Flores, R. & Laglbauer, B.J.L. & Stevens, G.M.W. & Kelez, S. (2024): Fisheries, trade, and conservation of manta and devil rays in Peru. Environmental Biology of Fishes, in press https://dx.doi.org/10.1007/s10641-024-01647-7
Rooth, D.B.S. & Watson, R.G.A. (2024): Predator avoidance by mesopredatory benthic sharks in response to potential predators in a natural environment. African Journal of Marine Science, 46(4), 291–298 https://dx.doi.org/10.2989/1814232x.2024.2419457
Royer, M. & Garcia, D. & Dickson, K. & Weng, K.C. & Meyer, C. & Holland, K.N. & Drazen, J.C. (2024): Aerobic and anaerobic poise of white swimming muscles of the deep-diving scalloped hammerhead shark: comparison to sympatric coastal and deep-water species. Frontiers in Marine Science, 11, Article 1477553 https://dx.doi.org/10.3389/fmars.2024.1477553
Savino, B.S. & Wu, W. (2024): Thrust generation by shark denticles. Journal of Fluid Mechanics, 1000, Article A80 https://dx.doi.org/10.1017/jfm.2024.978
Schindler, M. & Li, A. & Mollen, F.H. & Payne, N. & Amini, S. & Surapaneni, V.A. & Hu, R. & Dean, M. (2025): Against the grain: untangling the tangled denticles of basking sharks. In SICB 2025, Atlanta, GA Meeting
Séguigne, C.J.M. & Bond, M.E. & Goyaud, A. & Heithaus, M.R. & Siu, G. & Rowe, Z. & Torrente, F. & Clua, E. (2025): Knowledge, perception and ownership by local stakeholders among the world's largest shark sanctuary a decade after its inception. Marine Policy, 173, Article 106527 https://dx.doi.org/10.1016/j.marpol.2024.106527
Shipley, O.N. & Nicoll, A. & Cerrato, R.M. & Dunton, K.J. & Peterson, B.J. & Sclafani, M. & Bangley, C. & Balazik, M.T. & Breece, M. & Cahill, B.V. & Fox, D.A. & Gahagan, B.I. & Kneebone, J. & Leone, F. & Manz, M. & Ogburn, M. & Post, W.C. & Scannell, B. & Frisk, M.G. (2024): Performance of a fine-scale acoustic positioning system for monitoring temperate fish behavior in relation to offshore marine developments. Animal Biotelemetry, 12(1), Article 36 https://dx.doi.org/10.1186/s40317-024-00386-x
Sulikowski, J.A. & Perisic, N. & Askin, A. & Vossgaetter, L. & Bocchi, F. & Didi, H.H.A. & Inah, A. & Ivanova, T. (2024): Identification of the first gestational ground for tiger sharks (Galeocerdo cuvier) in the Central Indian Ocean using a high-definition submersible ultrasound. Frontiers in Marine Science, 11, Article 1500176 https://dx.doi.org/10.3389/fmars.2024.1500176
Sun, R.L. & Liu, K.Y. & Huang, W.H. & Wang, X. & Zhuang, H.F. & Wang, Z.L. & Zhang, Z.H. & Zhao, L.L. (2024): Global distribution prediction and ecological conservation of basking shark (Cetorhinus maximus) under integrated impacts. Global Ecology and Conservation, 56, Article e03310 https://dx.doi.org/10.1016/j.gecco.2024.e03310
Tabarestani, H.S. & Shahram, H. & Mahoonak, A.S. & Moayedi, A. & Kaveh, S. (2024): Enzymatic hydrolysis of white-cheek shark skin gelatin: Optimization, structural transformations, functional characteristics, and antioxidant potential. Lwt-Food Science and Technology, 213, Article 117060 https://dx.doi.org/10.1016/j.lwt.2024.117060
Tang, W.J. & Zheng, K.X. & Sun, S.J. & Zhong, B. & Luo, Z. & Yang, J.J. & Jia, L. & Yang, L. & Shang, W.N. & Jiang, X.F. & Lyu, Z.B. & Chen, J.Q. & Chen, G.D. (2024): Characteristics and Genomic Localization of Nurse Shark (Ginglymostoma cirratum) IgNAR. International Journal of Molecular Sciences, 25(23), Article 12879 https://dx.doi.org/10.3390/ijms252312879
Terrapon, M. & Venables, S.K. & Lokker, A. & Bertrand, N. & Hooker, S.K. & Marshall, A.D. (2024): Killer Whale Predation on a Giant Manta Ray (Mobula birostris), a Sicklefin Devil Ray (Mobula tarapacana) and a Tiger Shark (Galeocerdo cuvier) in the Southwest Indian Ocean. African Journal of Ecology, 62(4), Article e13342 https://dx.doi.org/10.1111/aje.13342
Thorburn, J. & Gagnon, É. & Martin, J. & Henry, L.A. & Wright, P.J. & Dodd, J. & James, M. & Neat, F. (2024): Fine-scale residency and temperature-driven habitat selection in a migratory shark species. Environmental Biology of Fishes, in press https://dx.doi.org/10.1007/s10641-024-01640-0
Welch, R.J. & Childs, A.R. & Murray, T.S. & Darnaude, A.M. & James, N.C. (2024): The role of acoustic telemetry in assessing fish connectivity within marine seascapes: A global review. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.16011
Wyffels, J.T. & Riter, J. & Price, C.S. & Poelzl, K. & Young, B. & Handsel, T. & Edsberg, L.E. (2024): Sand tiger shark Carcharias taurus mating season in the northwest Atlantic Ocean inferred from wound healing dynamics. Environmental Biology of Fishes, in press https://dx.doi.org/10.1007/s10641-024-01624-0
Xavier, L.G. & Bovcon, N.D. & Basilio, T.H. & Freitas, J.E.P. & Charvet, P. & Faria, V.V. (2024): istributional limits of the Shortnose Guitarfish, Zapteryx brevirostris (Rhinopristiformes: Trygonorrhinidae) - An update. Ocean and Coastal Research, 72, Article e24073 https://dx.doi.org/10.1590/2675-2824072.23119
Yuan, H.R. & Chen, P.M. & Chen, Y.X. & Zhang, S.Y. (2024): Structure and interannual variation of fish communities in the Wailingding marine ranching area of Zhuhai in spring. Frontiers in Marine Science, 11, Article 1434633 https://dx.doi.org/10.3389/fmars.2024.1434633
Extinct Chondrichthyes:
Amadori, M. & Japundžić, S. & Amalfitano, J. & Giusberti, L. & Fornaciari, E. & Jambura, P.L. & Kriwet, J. (2025): New insights on the shell-crusher shark Ptychodus decurrens Agassiz, 1838 (Elasmobranchii, Ptychodontidae) based on the first known articulated dentition from the Upper Cretaceous of Croatia. Swiss Journal of Palaeontology, 144, Article 2 https://dx.doi.org/10.1186/s13358-024-00340-7
Böttcher, R. (2024): Root resorption during tooth replacement in sharks – a unique character of the Hybodontiformes (Chondrichthyes, Elasmobranchii). Palaeodiversity, 17(1), 121–194 https://dx.doi.org/10.18476/pale.v17.a6
Comans, C.M. & Tobin, T.S. & Totten, R.L. (2025): Oxygen isotope composition of teeth suggests endothermy and possible migration in some Late Cretaceous shark taxa from the Gulf Coastal Plain, USA. Paleobiology, in press https://dx.doi.org/10.1017/pab.2024.45
Duffin, C.J. & Lauer, B. & Lauer, R. (2025): New Janassid Petalodontiform (Chondrichthyes) teeth from the Late Carboniferous of Kansas, USA. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, 313(2), 215–232 https://dx.doi.org/10.1127/njgpa/2025/1231
Fabbi, S. & Szabó, M. & Bonapace, P.J. & Romano, M. (2025): New remain of a hybodontiform shark-like chondrichthyan from the Toarcian of the Central Apennines (Umbria, Italy). Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, in press https://dx.doi.org/10.1127/njgpa/2025/1235
Gayford, J.H. & Jambura, P.L. (2025): Drivers of diversification in sharks and rays (Chondrichthyes: Elasmobranchii) Frontiers in Ecology and Evolution, 12, Article 1530326 https://dx.doi.org/10.3389/fevo.2024.1530326
Godfrey, S.J. & Bennett, M. & Perez, V.J. (2024): Taphonomic and ecological insights from conspecific bite marks on Otodus megalodon teeth. Acta Palaeontologica Polonica, 69(4), 731–736 https://dx.doi.org/10.4202/app.01188.2024
Hodnett, J.-P.M. & Egli, H.C. & Toomey, R. & Olson, R. & Tolleson, K. & Boldon, R. & Tweet, J.S. & Santucci, V.L. (2025): Obruchevodid petalodonts (Chondrichthyes, Petalodontiformes, Obruchevodidae) from the Middle Mississippian (Viséan) Joppa Member of the Ste. Genevieve Formation at Mammoth Cave National Park, Kentucky U.S.A. Journal of Paleontology, in press https://dx.doi.org/10.1017/jpa.2024.40
Killingsworth, S.R. & Moran, S.M. & MacFadden, B.J. & Perez, V.J. & Pirlo, J. & Ziegler, M.J. (2025): Marine strontium isotopes preserved in fossil shark teeth calibrate Neogene land mammal evolution. Palaeogeography, Palaeoclimatology, Palaeoecology, 661, Article 112698 https://dx.doi.org/10.1016/j.palaeo.2024.112698
Rondelli, R. & Borghi, E. & Borghi, M. (2024): Denti di Elasmobranchi nel Piacenziano della cava di Campore (Appennino Parmense). Notiziario della Società Reggiana di Scienze Naturali, 2024, 148–178
Trif, N. (2025): A New-Old Occurrence of the Giant Shark Otodus (Megaselachus) megalodon from Romania. Brukenthal, Acta Musei, 19(3), 485–489
Parasites:
Boukadoum, A. & Tazerouti, F. (2025): Comprehensive annotated checklist of monogenean diversity and distribution in Algerian marine fish. Systematic Parasitology, 102(1), Article 13 https://dx.doi.org/10.1007/s11230-024-10198-5
Ota, Y. & Erasmus, A. & Grutter, A.S. & Smit, N.J. (2024): Two new species and new host and distribution records of Gnathia Leach, 1814 (Crustacea, Isopoda, Gnathiidae) from Western Australia and the Great Barrier Reef, Australia. Zookeys, 1193, 125–144 https://dx.doi.org/10.3897/zookeys.1193.116538
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MISCELLANEOUS:
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- Date: January 8, 2025
- Source: University of Plymouth
- Summary:New research has found more than 200 measures to protect sharks and rays across the 22 coastal states of the Mediterranean region. However, while elasmobranchs have made it onto many policy agendas, the study found considerable differences in how effectively any legislation was being monitored with no single source for tracking progress in the conservation and management of sharks at national levels.
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New IUCN Shark News Newsletter is out!
Download: https://www.iucnssg.org/shark-news.html
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