NEWSLETTER 10/2022 14.10.2022
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Pollerspöck, J. & Straube, N. 2022, Bibliography database of living/fossil sharks, rays and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali), www.shark-references.com, World Wide Web electronic publication, Version 2022 |
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NEWS/ OWN RESEARCH
 Pollerspöck, J. & Straube, N. (2022): Aging dried shark specimens used as decorative objects [Abstract].1st ICAZ Medieval Period Working Group Meeting (28.09.2022-30.09.2022, Bryggens Museum - Bymuseet, Bergen) download poster and additional materialIn this study we conduct literature research of medieval zoological and specifically ichthyological literature which may be the source of motivation for specific ways of mounting dried shark specimens located in several towns in Southern Germany and Austria. German naturalist Conrad Gessner was the first around 1550 ad who described all at that time known plant and animal life in books comprising compendia on animals in general, birds and fish translated from Latin to German. The German compendia were widely distributed and frequently used. At the same time, first natural cabinets were established, comparable to first zoological museum collections. In our study, we identify the shark species based on tooth and general body morphology in all mounted specimens available (N=6) as Lamna nasus (Porbeagle shark) and conclude that a drawing of a shark in Conrad Gessner’s compendium ‘Fischbuch’ (fish book), published in 1575, may be the motivation of the distinct mounting of the specimens. This would set a maximum age range of origin of the specimens to approximately 450 years. As future perspective we plan to make use of stable isotope analysis to review our hypothesis. ------------------------------ ------------------------------ ------------------------------ ------------------------------
Höltke, O. & Maxwell, E.E. & Pollerspöck, J. & Rasser, M.W. (2022): The shark and ray teeth of the Lower Miocene (Upper Marine Molasse) from Äpfingen, Baden-Württemberg, Southern Germany. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 305(3), 323–342 The deposit is located in the Baltringen Formation (Middle Ottnangian, lower Miocene). In total, 27 genera could be identified (sharks: Alopias, Araloselachus, Carcharhinus, Carcharias, Carcharoides, Carcharodon, Centrophorus, Chaenogaleus, Galeocerdo, Hemipristis, Isistius, Mitsukurina, Nanocetorhinus, Notorynchus, Pachyscyllium, Pristiophorus, Pseudocarcharias, Rhizoprionodon, Scyliorhinus, Sphyrna, Squalus, Squatina; rays: Dasyatis, Raja, Rhinoptera, Rhynchobatos, Taeniurops). However, only taxa which were not already discussed in the previous publications are illustrated and described in this paper (14 taxa). Apart from Araloselachus, Carcharoides, Pachyscyllium and Nanocetorhinus, all have Recent relatives. The majority of the sharks and rays lived in the neritic realm, or this was part of their habitat. Only three genera (Isistius, Mitsukurina, Pseudocarcharias) have an oceanic lifestyle. For Nanocetorhinus, the habitat requirements are unknown. Galeocerdo and Notorynchus are omnivorous feeders, and Carcharodon feeds on fishes and also on marine mammals. All the others are/were invertebrate and/or fish feeders. With Nanocetorhinus sp., a rare taxon in the Molasse is verified as present. Large teeth over c. 2.5 cm in height are missing from the collection, but a comparatively large amount of (incomplete) squaliform teeth were found. The overall composition of the shark and ray fauna, together with the other fossils (bony fish and invertebrates) indicate a warm-temperate habitat in the neritic realm. ------------------------------ ------------------------------ ------------------------------ ------------------------------ New open access paper co-authored by Dr. Straube, team shark-references!  Lourtie, A. & Duchatelet, L. & Straube, N. & Puozzo, N. & Grace, M. & Naylor, G.J.P. & Delroisse, J. (2022): Placoid scales in bioluminescent sharks: Scaling their evolution using morphology and elemental composition. Frontiers in Marine Science, 9, Article 908237https://www.frontiersin.org/articles/10.3389/fmars.2022.908237/fullElasmobranchs are characterised by the presence of placoid scales on their skin. These scales, structurally homologous to gnathostome teeth, are thought to have various ecological functions related to drag reduction, predator defense or abrasion reduction. Some scales, particularly those present in the ventral area, are also thought to be functionally involved in the transmission of bioluminescent light in deep-sea environments. In the deep parts of the oceans, elasmobranchs are mainly represented by squaliform sharks. This study compares ventral placoid scale morphology and elemental composition of more than thirty deep-sea squaliform species. Scanning Electron Microscopy and Energy Dispersive X-ray spectrometry, associated with morphometric and elemental composition measurements were used to characterise differences among species. A maximum likelihood molecular phylogeny was computed for 43 shark species incuding all known families of Squaliformes. Character mapping was based on this phylogeny to estimate ancestral character states among the squaliform lineages. Our results highlight a conserved and stereotypical elemental composition of the external layer among the examined species. Phosphorus-calcium proportion ratios (Ca/P) slightly vary from 1.8-1.9, and fluorine is typically found in the placoid scale. By contrast, there is striking variation in shape in ventral placoid scales among the investigated families. Character-mapping reconstructions indicated that the shield-shaped placoid scale morphotype is likely to be ancestral among squaliform taxa. The skin surface occupied by scales appears to be reduced in luminous clades which reflects a relationship between scale coverage and the ability to emit light. In luminous species, the placoid scale morphotypes are restricted to pavement, bristle- and spine-shaped except for the only luminescent somniosid, Zameus squamulosus, and the dalatiid Mollisquama mississippiensis. These results, deriving from an unprecedented sampling, show extensive morphological diversity in placoid scale shape but little variation in elemental composition among Squaliformes. ------------------------------ ------------------------------ ------------------------------ ------------------------------ ADJUSTMENT OF CITATION STYLE IN SHARK REFERENCES We started to change our old (and unique!) citation style to adapt to the APA citation style (for information please see: https://www.mendeley.com/guides/apa-citation-guide) to make the usage of references listed in shark references easier and more compatible with a widely accepted reference style adopted by several international scientific journals. The transition is ongoing, so far 24951 (last month: 24847) references are changed. ------------------------------ ------------------------------ ------------------------------ ------------------------------ |
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NEW SECTION: From now on, we will report last month’s most popular three papers from our Shark References Facebook page:
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 (136 Likes/Emojis, 123 Shares):
Mull, C.G. & Pacoureau, N. & Pardo, S.A. & Ruiz, L.S. & Garcia-Rodriguez, E. & Finucci, B. & Haack, M. & Harry, A. & Judah, A.B. & VanderWright, W. & Yin, J.S. & Kindsvater, H.K. & Dulvy, N.K. (2022): Sharkipedia: a curated open access database of shark and ray life history traits and abundance time-series. Scientific Data, 9(1), Article 559
https://doi.org/10.1038/s41597-022-01655-1
Abstract
A curated database of shark and ray biological data is increasingly necessary both to support fisheries management and conservation efforts, and to test the generality of hypotheses of vertebrate macroecology and macroevolution. Sharks and rays are one of the most charismatic, evolutionary distinct, and threatened lineages of vertebrates, comprising around 1,250 species. To accelerate shark and ray conservation and science, we developed Sharkipedia as a curated open-source database and research initiative to make all published biological traits and population trends accessible to everyone. Sharkipedia hosts information on 58 life history traits from 274 sources, for 170 species, from 39 families, and 12 orders related to length (n = 9 traits), age (8), growth (12), reproduction (19), demography (5), and allometric relationships (5), as well as 871 population time-series from 202 species. Sharkipedia relies on the backbone taxonomy of the IUCN Red List and the bibliography of Shark-References. Sharkipedia has profound potential to support the rapidly growing data demands of fisheries management, international trade regulation as well as anchoring vertebrate macroecology and macroevolution.
Nr. 2 (86 Likes/Emojis, 68 Shares):
Heemstra, P.C. & Heemstra, E. & Ebert, D.A. & Holleman, W. & Randall, J.E. (2022): Coastal Fishes of the Western Indian Ocean. South African Institute for Aquatic Biodiversity, Private Bag 1015, Makhanda, 6140, South Africa
https://www.saiab.ac.za/coastal-fishes-of-the-western-indian-ocean.htm
Abstract
The first section of Volume 1 contains introductory and supplementary material. This includes chapters on the classification and naming of fishes; aspects of their biology; the oceanography of the WIO; the origins of its coral reefs; its fisheries; and the explorers who discovered, collected and named the fishes. Author biographies, a list of abbreviations, a comprehensive glossary and a bibliography are also in this section.
The second section contains the first of the systematic accounts, starting with an introduction to the Myxiniformes and Petromyzontiformes. Class Chondrichthyes is introduced with an account of their origins and evolution, their anatomy, and aspects of their biology and diversity in the WIO, followed by keys and diagnoses of families, genera and species.
Colour illustrations for most of the species in this volume are compiled in 82 colour plates. These are referenced by a plate number in the species accounts.
Indexes of scientific and English common names for this volume are also provided.
Nr. 3 (63 Likes/Emojis, 27 Shares):
Ebert, D.A. & Alfaro-Shigueto, J. & Velez-Zuazo, X. & Pajuelo, M. & Mangel, J.C. (2022): Bathyraja chapmani n. sp., a new deep-sea skate (Rajiformes: Arhynchobatidae) from the Southeast Pacific Ocean. Journal of the Ocean Science Foundation, 39, 23–35
https://zenodo.org/record/7108880/#.YzB0fXZByM8
Abstract
A new species of softnose skate, Bathyraja chapmani n. sp., is described from two female specimens collected in deepwater off Lima, Peru (-11.933°, -78.15°), in the southeastern Pacific, at 1714 m deep, in a fishery for Patagonian toothfish. The new species is separated from other southeastern Pacific Bathyraja species by having the same color and same irregular spotted pattern on both the dorsal and ventral surfaces, as well as the form and arrangement of thorns and denticles and several meristic characters. Bathyraja chapmani n. sp. has a uniform black-to-chocolate or dark-plum-brown background coloration with an irregular pattern of whitish to dark-colored scattered spots. Its closest congener, Bathyraja aguja, also from Peru, has two symmetrically arranged, large, white spots on the dorsal surface at the pectoral-fin bases, symmetrically arranged white spots along the disc margins, and a ventral surface lacking any spots or patterning. The new species is the fourth Bathyraja species known to occur in Peruvian waters.
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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:
Numano, M. (1993) Some Neogene shark-teeth from Mogami area, Yamagata Prefecture. Applied Geology of Yamagata, 13: 32–49
Extant Chondrichthyes:
Marini, T.L. (1935) Nota sobre una raya argentina. Physis, 11(40): 503–506
Marini, T.L. (1933) Rectificando errores ictiólogicos. Physis, 11(39): 328–332
Pozzi, A.J. (1935) Comunicación preliminar sobre una nueva especie de raya de la costa atlántica Argentina, Raia doello-juradoi n. sp. Physis, 11: 491–492
Smith, J.L.B. (1958) The mystery killer, the new shark Carcharhinus vanrooyeni. Veld & Vlei, 3 (9): 12–14, 28.
Ishiyama, R. (1967) Fauna Japonica. Rajidae (Pisces). Biogeographical Society of Japan (Tokyo): i–vi, 1–82
GUBANOV, E.P. & SCHLEIB, N.A. (1980) Sharks of the Arabian Gulf. Kuwait Ministry of Public Works, Agracultural Department, Fisheries Division. Sharks of the Arabian Gulf.: 1–69
Deng, S.-M. & Xiong, G.-Q. & Zhan, H.-X. (1988) The deep water fishes of the east China Sea. Xue Lin Publishing house: 356 pp.
DOLGANOV, V.N. (1983) Rukovodstvo po opredeleniyu khryashchevykh ryb dal'nevostochnykh morei SSSR i sopredel'nykh vod. [Manual for identification of cartilaginous fishes of Far East seas of USSR and adjacent waters.] TINRO, Vladivostok. Rukovodstvo po opredeleniyu khryashchevykh ryb dal'nevostochnykh morei SSSR i sopredel'nykh vod.: 92 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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Upcoming Meetings:
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Sharks International Conference 2022 (SI2022)
October 10 – 14, 2022 (online virtual conference)
October 20 – 22, 2022 (physical in-person conference)
Valencia, Spain
si2022.org
SI2022 is a hybrid event in October 2022 that will bring together a strong community of people from across the world interested in sharks and rays, all in the name of addressing the challenge of elasmobranch conservation in this Decade of Ocean Science. In association with the European Elasmobranch Association (EEA) and hosted by the Shark Trust, Submon, and Lamna, the event will include five online days (October 10- 14th) featuring enhanced digital content on key themes in shark conservation, leading up to a three-day physical conference in Valencia (October 20th-22nd). The conference is funded by the Save our Seas Foundation and will be based out of L’Oceanogràfic, the largest aquarium in Europe, and streamed live across the world. If you are interested in sharks and rays and want to be a part of the 300+ member community currently shaping SI2022, sign up to the portal at si2022.org. Join this year to be automatically entitled to a 10% discount when tickets become available.
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Nineteenth meeting of the Conference of the Parties
Panama Convention Center, Panama City, 14 - 25 November 2022
This will be the fourth meeting of the Conference of the Parties to CITES held in Central and South America and the Caribbean since CITES came into force on 1 July 1975, but it will be the first held in the region since 2002.
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Fifth International Marine Protected Areas Congress
IMPAC5 is where we will come together and take a stand to protect the ocean.
Join us in Vancouver, Canada for the Fifth International Marine Protected Areas Congress (IMPAC5), a global forum that brings together ocean conservation professionals and high-level officials to inform, inspire and act on marine protected areas.
3-9 February 2023
Vancouver, Canada
#ProtectBlueNature
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TAXONOMIC NEWS/ NEW SPECIES
Extant Chondrichthyes:
Ebert, D.A. & Alfaro-Shigueto, J. & Velez-Zuazo, X. & Pajuelo, M. & Mangel, J.C. (2022): Bathyraja chapmani n. sp., a new deep-sea skate (Rajiformes: Arhynchobatidae) from the Southeast Pacific Ocean. Journal of the Ocean Science Foundation, 39, 23–35
New species: Bathyraja chapmani
Abstract: A new species of softnose skate, Bathyraja chapmani n. sp., is described from two female specimens collected in deepwater off Lima, Peru (-11.933°, -78.15°), in the southeastern Pacific, at 1714 m deep, in a fishery for Patagonian toothfish. The new species is separated from other southeastern Pacific Bathyraja species by having the same color and same irregular spotted pattern on both the dorsal and ventral surfaces, as well as the form and arrangement of thorns and denticles and several meristic characters. Bathyraja chapmani n. sp. has a uniform black-to-chocolate or dark-plum-brown background coloration with an irregular pattern of whitish to dark-colored scattered spots. Its closest congener, Bathyraja aguja, also from Peru, has two symmetrically arranged, large, white spots on the dorsal surface at the pectoral-fin bases, symmetrically arranged white spots along the disc margins, and a ventral surface lacking any spots or patterning. The new species is the fourth Bathyraja species known to occur in Peruvian waters.
Ebert, D.A. (2022): Caliraja gen. nov., a new skate genus (Rajiformes: Rajidae) from the eastern North Pacific [Caliraja gen. nov., un nuevo género de rayas (Rajiformes: Rajidae) del este del Pacífico Norte]. Revista de Biología Marina y Oceanografía, 57(Núm. Especial Condrictios), in press
New genus: Caliraja
Abstract: A new genus of skate (Caliraja gen. nov.) is described based on egg case morphology and the number of embryos per egg case. Caliraja gen. nov. egg cases differ from those of the genus Beringraja by a combination of following characteristics: egg cases relatively small in size, lacking ridges, fine striations on the capsule surface, and moderately long horns about the size of the capsule compared to the much larger Beringraja egg cases that possess distinctly prominent ridges, no striations, and short or obscure horns. The most significant difference is the new genus has a single embryo per egg case, while Beringraja have 1-9 embryos per egg case, averaging 3-5 per egg case. Evolutionarily the egg case morphology of Beringraja is more primitive than the new genus Caliraja gen. nov.
Extinct Chondrichthyes:
Malyshkina, T.P. & Ward, D.J. & Nazarkin, M.V. & Nam, G.-S. & Kwon, S.-H. & Lee, J.-H. & Kim, T.-W. & Kim, D.-K. & Baek, D.-S. (2022): Miocene Elasmobranchii from the Duho Formation, South Korea. Historical Biology, in press
New species: Dalatias orientalis
Abstract: For the first time, a comprehensive study of the fauna of fossil elasmobranchs from the Miocene Duho Formation of the Pohang Basin (South Korea) is provided. A new species of kitefin shark, Dalatias orientalis, is described. The association consists of 14 species, most of which are recorded in South Korea for the first time: Hexanchus griseus, Dalatias orientalis sp. nov., Mitsukurina owstoni, Otodus megalodon, Parotodus benedenii, Carcharodon hastalis, ‘Isurus’ planus, Isurus sp. 1, Isurus sp. 2, Cetorhinus huddlestoni, Carcharhinus aff. C. plumbeus, Carcharhinus aff. C. amblyrhynchos, Carcharhinus aff. C. altimus and Galeocerdo aduncus. The fauna combines taxa with different ecological and bathymetric characteristics. It is dominated by pelagic sharks with a high migratory capacity as well as by deep-sea species and inhabitants of the insular and continental shelves. The ecological and bathymetric features of the assemblage thus indicate a deep-water paleoenvironment. The recent goblin shark Mitsukurina owstoni is recorded for the first time from the Miocene epoch.
Siversson, M. & Cederström, P. & Ryan, H.E. (2022): A new dallasiellid shark from the lower Campanian (Upper Cretaceous) of Sweden. GFF, 144(2), 118–125
New species: Dallasiella brachyodon
Abstract: Examination of isolated shark teeth from the uppermost lower Campanian Gonioteuthis quadrata scaniensis Zone of southern Sweden revealed the presence of a rare, previously undescribed lamniform shark. The unusually small-sized anterior teeth, variable presence of a short and shallow median groove, cusplet shape and outline of posterior teeth indicate a dallasiellid affinity and the species is formally described as Dallasiella brachyodon sp. nov. It is the youngest record of dallasiellids and adds to the extraordinarily high diversity of lamniform sharks in the uppermost lower Campanian of the Kristianstad Basin. Over its 18 Ma range, Dallasiella appears to have increased in body size and developed teeth with relatively broader cusps, indicating enhanced capabilities for tackling larger prey.
Collareta, A. & Kindlimann, R. & Baglioni, A. & Landini, W. & Sarti, G. & Altamirano, A. & Urbina, M. & Bianucci, G. (2022): Dental Morphology, Palaeoecology and Palaeobiogeographic Significance of a New Species of Requiem Shark (Genus Carcharhinus) from the Lower Miocene of Peru (East Pisco Basin, Chilcatay Formation). Journal of Marine Science and Engineering, 10(10), Article 1466
New species: Carcharhinus dicelmai
Abstract: Nowadays, the requiem sharks comprise one of the most diverse and widespread families of selachians, i.e., Carcharhinidae. Among the carcharhinids, the genus Carcharhinus has the largest number of living species, namely, at least 35. Known from fossils as old as the Cretaceous, the requiem sharks did not significantly radiate before the Eocene (when Carcharhinus also appeared), and their diversification mainly occurred in Neogene times. Here, we describe a new species of requiem shark, Carcharhinus dicelmai sp. nov., based on fossil teeth from Lower Miocene (18.4–18.1 Ma) strata of the Chilcatay Formation of the East Pisco Basin (southern Peru). Upper teeth of C. dicelmai sp. nov. are typically provided with a slender, smooth-edged cusp; a marked coronal twist; and a distal heel that bears 1–5 coarse, angularly lobate serrae that become more prominent toward the base of the cusp. The dentition of C. dicelmai sp. nov. appears less akin to that of most other carcharhines to the cutting-clutching type, and seemingly testifies to the development of more predominantly clutching adaptations. A carcharhinid tooth from the Burdigalian to lower Langhian Cantaure Formation of Venezuela is reassigned to C. dicelmai sp. nov., suggesting a trans-Panamanian distribution for this extinct shark species.
Wen, W. & Kriwet, J. & Zhang, Q.Y. & Benton, M.J. & Duffin, C.J. & Huang, J.Y. & Zhou, C.Y. & Hu, S.X. & Ma, Z.X. (2022): Hybodontiform shark remains (Chondrichthyes, Elasmobranchii) from the Lower Triassic of Yunnan Province, China, with comments on hybodontiform diversity across the PTB. Journal of Vertebrate Paleontology, in press
New species: Parvodus huizodus
Abstract: Hybodontiform shark teeth, cephalic and fin spines as well as placoid scales are reported here for the first time from the continental, Lower Triassic Dongchuan Formation near the village of Zhaojia (Huize County, Yunnan Province) in south-west China. The isolated teeth are assigned to three unidentified hybodontiforms but also to a new species of Parvodus, P. huizodus sp. nov., the oldest record of this small-toothed lonchidiid shark genus, extending its range well down into the Lower Triassic. This new species, together with additional hybodontiform remains, provides new evidence of shark occurrences in the aftermath of the end-Permian mass extinction event, when freshwater environments might have acted as centers of origin rather than refugia for sharks. A review of the species assigned to Parvodus and similar small hybodontiform sharks reveals two distinct ecomorphological groups. Group 1, which is characterized by clutching-type dentitions, includes eight species (three of which remain unnamed) ranging from the Middle Triassic to Lower Cretaceous, while group 2, characterized by cutting-crushing type dentitions, comprises 11 species (six of which remain unnamed) including the type-species, P. rugianus ranging from the Lower Triassic to the Lower Cretaceous. The new fossils documented here reveal that hybodontiforms were already adapted to freshwater environments in the Lower Triassic rather than in the Jurassic in China.
Parasites:
Maran, B.A.V. & Aneesh, P.T. & Moon, S.Y. (2022): A New Species of Parasitic Copepod, Nemesis santhadevii (Siphonostomatoida: Eudactylinidae) from the Gills of the Coral Catshark Atelomycterus marmoratus, from Kota Kinabalu, Malaysia. Diversity, 14(9), Article 759
New species: Nemesis santhadevii
Abstract: The copepod Nemesissanthadevii sp. nov. (Siphonostomatoida: Eudactylinidae), which is parasitizing the gill filaments of the Coral catshark Atelomycterus marmoratus (Anonymous (Bennett), 1830) off Kota Kinabalu waters, Malaysia, is described and illustrated in this article. The new species Nemesis santhadevii prominently differs from its congeners in the following features: (1) the cephalothorax sub-circular is 1.3 times as wide as long and overlapping the second pedigerous somite; (2) the fifth somite is 0.4 times the width of the fourth; (3) the genital double somite is slightly narrower than the fifth; (4) the lowest cephalothoracic shield’s body length (0.20:1) proportion; (5) the caudal rami is ovate, it has two large and three small setae; (6) and the second somite has antenna with a patch of 34–38 spinules. It is the first record of parasitic eudactilinid copepod from Sabah, East Malaysia. A checklist of global valid species of Nemesis Risso, 1826, is provided.
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Latest Research Articles
Extant Chondrichthyes:
Ágreda-Arango, J. & Ballesteros, C. & Bessudo, S. & Bent-Hooker, H. & Bolaños, N. & Caldas, J.P. & Duarte, J.O. & Gómez, F. & Lara, G. & Loaiza, J. & Mejía-Falla, P.A. & Velandia, M. & Navia, A.F. (2022): Richness distribution patterns of marine elasmobranchs in Colombia [Patrones de distribución de la riqueza de elasmobranquios marinos en Colombia] Revista de Biología Marina y Oceanografía, 57(Núm. Especial Condrictios), in press https://dx.doi.org/10.22370/rbmo.2022.57.Especial.3177
Alfaro-Shigueto, J. & Ebert, D.A. & Guidino, C. & Velez-Zuazo, X. & Romero, J. & Mangel, J.C. (2022): Deep-sea Chondrichthyans associated with the Patagonian toothfish Dissostichus eleginoides fishery off the coast of Peru [Condrictios de aguas profundas asociados con la pesquería de bacalao de profundidad Dissostichus eleginoides frente a la costa de Perú]. Revista de Biología Marina y Oceanografía, 57(Núm. Especial Condrictios), in press https://dx.doi.org/10.22370/rbmo.2022.57.Especial.3415
Alonso-Fernandez, A. & Mucientes, G. & Villegas-Rios, D. (2022): Discard survival of coastal elasmobranchs in a small-scale fishery using acoustic telemetry and recapture data. Estuarine Coastal and Shelf Science, 276, Article 108037 https://dx.doi.org/10.1016/j.ecss.2022.108037
Araujo, G. & Agustines, A. & Bach, S.S. & Cochran, J.E.M. & de la Parra-Galvan, E. & de la Parra-Venegas, R. & Diamant, S. & Dove, A. & Fox, S. & Graham, R.T. & Green, S.M. & Green, J.R. & Hardenstine, R.S. & Hearn, A. & Himawan, M.R. & Hobbs, R. & Holmberg, J. & Shameel, I. & Jaidah, M.Y. & Labaja, J. & Leblond, S. & Legaspi, C.G. & Maguino, R. & Magson, K. & Marcoux, S.D. & Marcoux, T.M. & Marley, S.A. & Matalobos, M. & Mendoza, A. & Miranda, J.A. & Norman, B.M. & Perry, C.T. & Pierce, S.J. & Ponzo, A. & Prebble, C.E.M. & Ramirez-Macias, D. & Rees, R. & Reeve-Arnold, K.E. & Reynolds, S.D. & Robinson, D.P. & Rohner, C.A. & Rowat, D. & Snow, S. & Vazquez-Haikin, A. & Watts, A.M. (2022): Improving sightings-derived residency estimation for whale shark aggregations: A novel metric applied to a global data set. Frontiers in Marine Science, 9, Article 775691 https://dx.doi.org/10.3389/fmars.2022.775691
Assemat, A. & Adnet, S. & Bayez, K. & Hassler, A. & Arnaud-Godet, F. & Mollen, F.H. & Girard, C. & Martin, J.E. (2022): Exploring diet shifts and ecology in modern sharks using calcium isotopes and trace metal records of their teeth. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.15211
Assemat, A. & Adnet, S. & Bayez, K. & Hassler, A. & Arnaud-Godet, F. & Mollen, F.H. & Girard, C. & Martin, J.E. (2022): De l’émail à l’estomac : apport de la géochimie isotopique du calcium à l’étude du régime alimentaire chez les élasmobranches actuels et fossiles [Abstract]. In Book of Abstracts: RIF 2022: 8e Rencontres de l'Ichtyologie en France, 15-18 mars 2022, Paris. Société Française d'Ichtyologie, 9–10
Bachiller, E. & Korta, M. & Mateo, M. & Mugerza, E. & Zarauz, L. (2022): Assessing the unassessed marine recreational fishery in the Eastern Cantabrian coast. Frontiers in Marine Science, 9, Article 975089 https://dx.doi.org/10.3389/fmars.2022.975089
Bengil, E.G.T. (2022): Biology and Ecology of Squalus blainville (Risso, 1827) from the Eastern Mediterranean. Thalassas, in press https://dx.doi.org/10.1007/s41208-022-00482-w
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Sen, S. & Thomas, S. & Joe Kizhakudan, S. & Dash, G. & Pradhan, R.K. & Ghosh, S. & Das, M. & Dash, B. & Zacharia, P.U. (2022): New observations of the endangered giant freshwater whipray, Urogymnus polylepis, provide further evidence for its distribution and breeding in the north-east coast of India. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.15223
Shiffman, D. (2022): The Discovery of the Shark's Electric Sense A half century ago, Ad Kalmijn proved that sharks can sense electromagnetic fields. His work is still reshaping our understanding of ocean ecosystems. American Scientist, 110(3), 152–157
Sims, D.W. & Berrow, S.D. & O'Sullivan, K.M. & Pfeiffer, N.J. & Collins, R. & Smith, K.L. & Pfeiffer, B.M. & Connery, P. & Wasik, S. & Flounders, L. & Queiroz, N. & Humphries, N.E. & Womersley, F.C. & Southall, E.J. (2022): Circles in the sea: annual courtship "torus" behaviour of basking sharks Cetorhinus maximus identified in the eastern North Atlantic Ocean. Journal of Fish Biology, in press https://dx.doi.org/10.1111/jfb.15187
Sun, P. & Qiu, M.J. & Li, G. & Zhao, S.F. & Zhao, J. & Mai, W.J. & Cui, G.F. (2022): Artificial jelly channel inspired by the shark for sensing specific ions and environmental perturbation. Materials Today Chemistry, 26, Article 101047 https://dx.doi.org/10.1016/j.mtchem.2022.101047
Tanoue, K. & Shimada, K. (2022): Jaw mechanics in macrophagous lamniform sharks and their evolutionary and functional implications. Anatomical Record-Advances in Integrative Anatomy and Evolutionary Biology, in press https://dx.doi.org/10.1002/ar.25071
Taskin, M. & Ajmi, N. & Bagci, K. & Yurddas, E. & Suzer, B. & Altun, S. & Duman, M. (2022): The common guitarfish Rhinobatos rhinobatos: A descriptive anatomical study and proposed dissection techniques. Anatomia Histologia Embryologia, in press https://dx.doi.org/10.1111/ahe.12860
Tucker, J.P. & Santos, I.R. & Kelaher, B.P. & Green, M. & Clark, G.F. & Butcher, P.A. (2022): Increased shark bite survivability revealed by two centuries of Australian records. Scientific Reports, 12(1), Article 14121 https://dx.doi.org/10.1038/s41598-022-16950-5
Turan, F. & Yola, M.L. & Ergenler, A. & Turan, C. (2022): Assessment of trace metals accumulation in the blue shark Prionace glauca and the smooth-hound shark Mustelus mustelus using electrochemical technique. Cahiers De Biologie Marine, 63(2), 119–127 https://dx.doi.org/10.21411/cbm.a.8a7b656c
Vitor-Caceres, M. & Kanagusuku, K. & Aponte, H. (2022): Análisis morfológico de troncos y aletas de cinco especies comerciales de tiburones desembarcados en el litoral peruano [Morphological analysis of trunks and fins of five commercial shark species landed on the Peruvian coast]. Revista de Biología Marina y Oceanografía, 57(Núm. Especial Condrictios), in press https://dx.doi.org/10.22370/rbmo.2022.57.Especial.3340
Womersley, F.C. & Humphries, N.E. & Queiroz, N. & Vedor, M. & da Costa, I. & Furtado, M. & Tyminski, J.P. & Abrantes, K. & Araujo, G. & Bach, S.S. & Barnett, A. & Berumen, M.L. & Lion, S.B. & Braun, C.D. & Clingham, E. & Cochran, J.E.M. & de la Parra, R. & Diamant, S. & Dove, A.D.M. & Dudgeon, C.L. & Erdmann, M.V. & Espinoza, E. & Fitzpatrick, R. & Cano, J.G. & Green, J.R. & Guzman, H.M. & Hardenstine, R. & Hasan, A. & Hazin, F.H.V. & Hearn, A.R. & Hueter, R.E. & Jaidah, M.Y. & Labaja, J. & Ladino, F. & Macena, B.C.L. & Morris, J.J. & Norman, B.M. & Penaherrera-Palma, C. & Pierce, S.J. & Quintero, L.M. & Ramirez-Macias, D. & Reynolds, S.D. & Richardson, A.J. & Robinson, D.P. & Rohner, C.A. & Rowat, D.R.L. & Sheaves, M. & Shivji, M.S. & Sianipar, A.B. & Skomal, G.B. & Soler, G. & Syakurachman, I. & Thorrold, S.R. & Webb, D.H. & Wetherbee, B.M. & White, T.D. & Clavelle, T. & Kroodsma, D.A. & Thums, M. & Ferreira, L.C. & Meekan, M.G. & Arrowsmith, L.M. & Lester, E.K. & Meyers, M.M. & Peel, L.R. & Sequeira, A.M.M. & Eguiluz, V.M. & Duarte, C.M. & Sims, D.W. (2022): Global collision-risk hotspots of marine traffic and the world's largest fish, the whale shark. Proceedings of the National Academy of Sciences of the United States of America, 119(20), Article e2117440119 https://dx.doi.org/10.1073/pnas.2117440119
Wosnick, N. & Giareta, E.P. & Leite, R.D. & Hyrycena, I. & Charvet, P. (2022): An overview on elasmobranch release as a bycatch mitigation strategy. ICES Journal of Marine Science, in press https://dx.doi.org/10.1093/icesjms/fsac164
Extinct Chondrichthyes:
Brand, N.A. & Heckert, A.B. & Sanchez, I. & Foster, J.R. & Hunt-Foster, R.K. & Eberle, J.J. (2022): New Late Cretaceous microvertebrate assemblage from the Campanian–Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications. Acta Palaeontologica Polonica, 67(3), 579–600 https://dx.doi.org/10.4202/app.00934.2021
Collareta, A. & Kindlimann, R. & Baglioni, A. & Landini, W. & Sarti, G. & Altamirano, A. & Urbina, M. & Bianucci, G. (2022): Dental Morphology, Palaeoecology and Palaeobiogeographic Significance of a New Species of Requiem Shark (Genus Carcharhinus) from the Lower Miocene of Peru (East Pisco Basin, Chilcatay Formation). Journal of Marine Science and Engineering, 10(10), Article 1466
Collareta, A. & Merella, M. & Casati, S. & Di Cencio, A. & Bianucci, G. (2022): Smoking guns for cold cases: the find of a Carcharhinus tooth piercing a fossil cetacean rib, with notes on the feeding ecology of some Mediterranean Pliocene requiem sharks. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 305(2), 145–152 https://dx.doi.org/10.1127/njgpa/2022/1082
Fischer, J. & Heidtke, U.H.J. & Voigt, S. & Rahm, B. (2022): Permian Acanthodians – Wolves in Chainmail? Abstract. Abstract book, 93. Jahrestagung der Paläontologischen Gesellschaft, Sep. 19th to 23rd at the Staatliches Museum für Naturkunde Stuttgart, 14
Fischer, J. & Thiede, K. & Thiede, N. & Zessin, W. (2022): The first completely three-dimensionally preserved shark egg capsule of the morphotype Palaeoxyris [Abstract]. Abstract book, 93. Jahrestagung der Paläontologischen Gesellschaft, Sep. 19th to 23rd at the Staatliches Museum für Naturkunde Stuttgart, 15
Höltke, O. & Maxwell, E.E. & Pollerspöck, J. & Rasser, M.W. (2022): The shark and ray teeth of the Lower Miocene (Upper Marine Molasse) from Äpfingen, Baden-Württemberg, Southern Germany. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 305(3), 323–342 https://dx.doi.org/10.1127/njgpa/2022/1092
Jurigan, I. & Ricardi-Branco, F. & Delcourt, R. (2022): Ichthyoliths of the Corumbatai Formation: new occurrences and interpretations for Sao Paulo state, Brazil (northeastern Parana basin). Journal of South American Earth Sciences, 119, Article 103958 https://dx.doi.org/10.1016/j.jsames.2022.103958
Malyshkina, T.P. & Ward, D.J. & Nazarkin, M.V. & Nam, G.-S. & Kwon, S.-H. & Lee, J.-H. & Kim, T.-W. & Kim, D.-K. & Baek, D.-S. (2022): Miocene Elasmobranchii from the Duho Formation, South Korea. Historical Biology, in press https://dx.doi.org/10.1080/08912963.2022.2110870
Siversson, M. & Cederström, P. & Ryan, H.E. (2022): A new dallasiellid shark from the lower Campanian (Upper Cretaceous) of Sweden. GFF, 144(2), 118–125 https://dx.doi.org/10.1080/11035897.2022.2097737
Trif, N. & Codrea, V.A. (2022): New data on Maastrichtian fishes of the ‘Haţeg Island’. Geoloski anali Balkanskog poluostrva, 83(1), 1–12 https://dx.doi.org/10.2298/GABP220424001T
Wen, W. & Kriwet, J. & Zhang, Q.Y. & Benton, M.J. & Duffin, C.J. & Huang, J.Y. & Zhou, C.Y. & Hu, S.X. & Ma, Z.X. (2022): Hybodontiform shark remains (Chondrichthyes, Elasmobranchii) from the Lower Triassic of Yunnan Province, China, with comments on hybodontiform diversity across the PTB. Journal of Vertebrate Paleontology, in press https://dx.doi.org/10.1080/02724634.2022.2108712
Parasites:
Barton, D.P. & Kirke, A. & Johnson, G. & Boxshall, G. (2022): Pathology associated with Tripaphylus Richiardi, 1878 infection (Copepoda: Sphyriidae) in wild-caught Australian blackspot sharks, Carcharhinus coatesi (Whitley, 1939), off northern Australia. Parasitology Research, in press https://dx.doi.org/10.1007/s00436-022-07662-w
Derbel, H. & Chaari, M. & Neifar, L. (2022): Checklist of the Monogenea (Platyhelminthes) parasitic in Tunisian aquatic vertebrates. Helminthologia, 59(2), 179–199 https://dx.doi.org/10.2478/helm-2022-0012
Kleinertz, S. & Yulianto, I. & Kurschat, C. & Koepper, S. & Simeon, B.M. & Klimpel, S. & Theisen, S. & Unger, P. & Retnoningtyas, H. & Neitemeier-Duventester, X. & Barton, D.P. & Damriyasa, I.M. & Palm, H.W. (2022): Elasmobranchs from Indonesian Waters: Feeding Ecology and Trypanorhynch Cestode Fauna Composition to Support Efforts in Shark and Ray Conservation. Acta Parasitologica, in press https://dx.doi.org/10.1007/s11686-022-00593-7
Maran, B.A.V. & Aneesh, P.T. & Moon, S.Y. (2022): A New Species of Parasitic Copepod, Nemesis santhadevii (Siphonostomatoida: Eudactylinidae) from the Gills of the Coral Catshark Atelomycterus marmoratus, from Kota Kinabalu, Malaysia. Diversity, 14(9), Article 759 https://dx.doi.org/10.3390/d14090759
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