NEWSLETTER 04/2023 22.04.2023
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Pollerspöck, J. & Straube, N. 2023, Bibliography database of living/fossil sharks, rays and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali), www.shark-references.com, World Wide Web electronic publication, Version 2023 |
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NEWS/ OWN RESEARCH
 Open Access! Staggl, M.A., Ruthensteiner, B. & Straube, N. (2023) Head anatomy of a lantern shark wet-collection specimen (Chondrichthyes: Etmopteridae). Journal of Anatomy, 00, 1– 19. Available from: https://doi.org/10.1111/joa.13822
ABSTRACT
In this study, we apply a two-step (untreated and soft tissue stained) diffusible iodine-based contrast-enhanced micro-computed tomography array to a wet-collection Lantern Shark specimen of Etmopterus lucifer. The focus of our scanning approach is the head anatomy. The unstained CT data allow the imaging of mineralized (skeletal) tissue, while results for soft tissue were achieved after staining for 120 h in a 1% ethanolic iodine solution. Three-dimensional visualization after the segmentation of hard as well as soft tissue reveals new details of tissue organization and allows us to draw conclusions on the significance of organs in their function. Outstanding are the ampullae of Lorenzini for electroreception, which appear as the dominant sense along with the olfactory system. Corresponding brain areas of these sensory organs are significantly enlarged as well and likely reflect adaptations to the lantern sharks' deep-sea habitat. While electroreception supports the capture of living prey, the enlarged olfactory system can guide the scavenging of these opportunistic feeders. Compared to other approaches based on the manual dissection of similar species, CT scanning is superior in some but not all aspects. For example, fenestrae of the cranial nerves within the chondrocranium cannot be identified reflecting the limitations of the method, however, CT scanning is less invasive, and the staining is mostly reversible and can be rinsed out.
------------------------------ ------------------------------ ------------------------------ ------------------------------ 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 25529 (last month: 25408) 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 (166 Likes/Emojis, 59 Shares):
Between 2009 and 2018, in Gansbaai, South Africa, 415 white sharks were sighted, and 525 surface-generated social interactions were identified, exhibited by 169 different white sharks. The mean sighting rate was 0.91 (range 0.18–1.53) white sharks per hour. Eight patterns of social interaction were exhibited: swim by, parallel swim, follow/give way, follow, give way, stand back, splash fights, and piggyback. Non-random interactions occurred when pairs of specimens approached the passive surface bait, confirming that the white sharks made a real choice, showing a dominance hierarchy during the ten years of data collection. Evidence of non-random social interactions in the surface behavior of bait-attracted white sharks Carcharodon carcharias in Gansbaai’s transient population was the goal of this research.
Micarelli, P. & Reinero, F.R. & D’Agnese, R. & Pacifico, A. & Giglio, G. & Sperone, E. 2023 Evidence of Non-Random Social Interactions between Pairs of Bait-Attracted White Sharks in Gansbaai (South Africa). Diversity,15(3), Article 433
https://www.mdpi.com/1424-2818/15/3/433
Nr. 2 (121 Likes/Emojis, 83 Shares):
Highlights
• Skates from the genus Sympterygia deposit their egg capsules on marine litter.
• Marine litter becomes stranded with egg capsules still attached to them.
• The majority of stranded eggs were unhatched and 15.8 % were fresh.
• Oviposition on marine litter may impact Sympterygia communities in Peru.
Valderrama-Herrera, M., Cardenas, S.A., Calvo-Mac, C., Celi-Vértiz, R.G., Chumpitaz-Levano, V.L., Flores-Miranda, W.E., Lopez-Tirado, Z.M.T, Molina-Alvarez, M., Rubio-Cheon, D.N., Trucios-Castro, M., Fernández Severini, M.D., Forero López, A.D., Ramos, W., Pretell, V., Castro, I.B., Vasques Ribeiro, V., Dobaradaran, S., Espinoza-Morriberón, D., Ben-Haddad, M., Dioses-Salinas, D.C. & De-la-Torre, G.E. (2023). Rajids ovipositing on marine litter: A potential threat to their survival. Marine Pollution Bulletin. 191. https://doi.org/10.1016/j.marpolbul.2023.114941
Nr. 3 (82 Likes/Emojis, 43 Shares):
The Late Devonian shark taxon Maghriboselache mohamezanei gen. et sp. n. from the eastern Anti-Atlas of Morocco is known from multiple specimens preserving most of its skeletal features, which in some instances are preserved in three dimensions. Key details of the dentition, jaws, and pectoral skeleton are shared with the iconic genus Cladoselache. Phylogenetic analyses place the family Cladoselachidae as the sister group of symmoriiforms and these groups as sister group of the holocephalans. Further phylogenetic results corroborate that the initial evolutionary radiation of crown chondrichthyans occurred within or before the Late Devonian. Remarkably, this new stem holocephalan is equipped with a wide snout and large laterally separated nasal capsules: the earliest known example of this condition in the chondrichthyan and (perhaps) gnathostome record. This suggests sensory specialization approaching that of extant broad-rostrum elasmobranchs and represents a significant addition to increasingly apparent ecomorphological diversity among early chondrichthyans.
Klug, C. & Coates, M. & Frey, L. & Greif, M. & Jobbins, M. & Pohle, A. & Lagnaoui, A. & Haouz, W.B. & Ginter, M. 2023 Broad snouted cladoselachian with sensory specialization at the base of modern chondrichthyans. Swiss Journal of Palaeontology, 142, Article 2
https://sjpp.springeropen.com/.../10.1186/s13358-023-00266-6
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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:
Chu, Y.-T. (1930) A new species of the swallow ray (Pteroplatea) from China. China Journal, 12(6): 357.
Smith, J.L.B. (1958) The mystery killer, the new shark Carcharhinus vanrooyeni. Veld & Vlei, 3 (9): 12–14, 28.
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.
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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Welcome
We look forward to welcoming you to the University of Auckland, located in the heart of Auckland city. We invite you to come and meet the people that live and work here, explore our beautiful city and hope that you leave with lasting friends, partnerships and memories.
The Organising Committee look forward to welcoming you to the 11th Indo-Pacific Fish Conference (IPFC) and Annual Conference of the Australian Society for Fish Biology, to be held 20-24 November 2023 at the University of Auckland, New Zealand.
The Indo-Pacific Fish Conference (IPFC), held every four years, is undoubtedly one of the world’s premier ichthyological conferences and is eagerly anticipated by marine, estuarine and freshwater fish enthusiasts alike.
The Australian Society for Fish Biology (ASFB), founded in 1971, aims to promote research, education and management of fish and fisheries across the Indo-Pacific.
We are excited to bring these two conference together in a joint meeting that will reflect the extraordinary biological, environmental and cultural diversity of the vast Indo-Pacific region.
Auckland is a modern city offering a variety of cultural experiences, accommodation and entertainment options for every taste and budget. The city is a key regional hub, with transport connections to multiple cities across New Zealand, Australia, the Pacific and beyond.
The University of Auckland is an internationally recognised university that provides outstanding conference facilities and conference support within easy walking distance of the city centre. An exciting programme of conference field trips will allow attendees to sample the diversity of regional marine and freshwater ecosystems. Before or after the conference, delegates could explore Auckland’s magnificent Hauraki Gulf and its beautiful islands. The jewel of the gulf is Waiheke Island, a haven of vineyards, olive groves, beaches and fine dining, just a 40-minute ferry ride from downtown Auckland. For an exciting day trip, discover the history and sandy coves of Rotoroa Island, explore the open wildlife sanctuary of Tiritiri Matangi Island or climb the volcanic cone of Rangitoto Island for incredible views from the summit. If you have a little more time, travel south for a summer holiday to discover the majestic Milford and Doubtful Sounds, encounter marine life in Abel Tasman National Park, enjoy New Zealand’s beautiful Bay of Islands, or maybe plan a field trip or tropical holiday on one of the many Pacific islands that are only a short flight away from Auckland.
We look forward to welcoming you to Auckland in 2023!
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Session:
Organisers: Patrick L. Jambura, Julia Türtscher, Eduardo Villalobos-Segura & Esther Manzanares Ubeda
ABSTRACT:
Chondrichthyans, or cartilaginous fishes, are the sister group to all other living gnathostomes and are one of the most successful vertebrate groups in Earth’s history. Currently, the class Chondrichthyes comprises two major groups, the Elasmobranchii (sharks and rays) and the Holocephali (chimaeras). Together they encompass over 400 million years of independent evolution and have survived all five mass and several minor extinction events. Throughout its long evolutionary history, this group has inhabited a wide range of marine and freshwater environments and comprises many keystone taxa for ecosystem functioning and maintenance in modern marine ecosystems. Although most chondrichthyans are mesopredators, the few large and iconic apex predators like the white shark or megalodon have captured the imagination of humanity since ancient times. Unfortunately, this fascination, coupled with fear, misinformation, and the high economic value of chondrichthyan products, has led to a steep decline of chondrichthyan populations in the last decades and many species are threatened by extinction today.
This thematic session aims to create a space for presenting, sharing, and discussing recent advances in chondrichthyan research. This includes (but is not limited to) the early evolutionary history, such as events of the first appearance and dominance of holocephalans in the Devonian-Carboniferous (including the end-Devonian extinction event), the rise of modern groups of elasmobranchs in the Mesozoic (Jurassic-Cretaceous), extinction and recovery after the K/Pg boundary, and the evolution of chondrichthyans during the Cenozoic.
Discussion and the exchange of ideas are essential to understand the dynamics that have driven the evolution of this iconic group, especially times immediately before, during, and after extinction events are of special interest in the light of the current anthropogenically induced extinction event. We welcome any contributions that focus on chondrichthyans from all geological periods. Also work on recent taxa can be presented here, however, we strongly encourage topics with an evolutionary background.
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Fossil Fish symposium at XVII European Congress of Ichthyology 2023, 4th – 8th September 2023, Prague
On September 4-8, 2023, the European Congress of Ichthyology (ECI XVII) will take place in the wonderful city of Prague (Czech Republic). Following earlier meetings of the informal palaeoichtyologist community in Munich (2019) and Paris (2022), ECI XVII is a great opportunity for our next ‘Fossil Fish symposium’. Please see the attachment for its description.
The Website for ECI XVII is: http://eci23.agrobiologie.cz/
Abstract submission deadline is March 30, 2023
Registration deadline is June 15, 2023
We would be very pleased if you would like to attend and to contribute. Please forward this e-mail also to the members of your group and colleagues.
With our best wishes and looking forward to seeing you in Prague
The organization team of the symposium
Gloria Arratia (University of Kansas, Lawrence, USA)
Olga Otero (Université de Poitiers, France)
Tomáš Přikryl (Institute of Geology, Praha, Czech Republic)
Bettina Reichenbacher (Ludwig-Maximilians-University, Munich, Germany)
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The 8th edition of the
International Meeting on the Valorization and Preservation of Paleontological Heritage (RIV3P8)
November 23 - 25, 2023 (El Jadida - Morocco)
https://sites.google.com/view/riv3p8
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Annual conference
94th Annual Meeting of the Palaeontological Society (PalGes) in Jena, 18.-22.9.2023
From Early Life to the Neandertals
For the first time since founding of the Palaeontological Society (PalGes) in Greifswald 1912 the annual meeting takes place in Jena. This is only the second time in Thuringia since the 1925 meeting in Weimar. We, from the Institute of Geosciences (IGW) at the Friedrich Schiller University of Jena, are glad to invite the members of the Society to our city at the river Saale. The city is a special location, stretching along the river, which is carving into a Muschelkalk plateau with Buntsandstein outcropping below. The surrounding Muschelkalk heights provide marvellous sights over the city. Our institute is located on the slope of the Hausberg in the eastern part of Jena. It was re-founded 1992 and still grows with an increasing number of scientists. Jena houses the most important university of Thuringia and is also a flourishing economic centre with companies like ZEISS and SCHOTT, it is popular for its touristic sights and a wide range of restaurants. The Thuringian palaeontology has a long tradition and is famous for fossils from the Permian, Triassic and Quaternary. We can offer a diverse range of excursions covering fossil sites from the late Palaeozoic to the Quaternary. The organisation of the meeting is supported by colleagues from Thüringischer Geologischer Verein (TGV), Stiftung Schloss Friedenstein Gotha, Museum Schloss Bertholdsburg Schleusingen, Research Station of Quaternary Palaeontology Weimar, and Phyletical Museum Jena. We are looking forward to welcome you in Jena and hear your presentations at 94. Annual Meeting of the PalGes in Jena!
The first circular for the meeting was published today and can be downloaded HERE.
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TAXONOMIC NEWS/ NEW SPECIES
Extant Chondrichthyes:
da Silva Rodrigues-Filho, L.F. & da Costa Nogueira, P. & Sodré, D. & da Silva Leal, J.R. & Nunes, J.L.S. Rincon, G. & Lessa, R.P.T. & Sampaio, I. & Vallinoto, M. & Ready, J.S. & Sales, J.B.L. (2023) Evolutionary History and Taxonomic Reclassification of the Critically Endangered Daggernose Shark, a Species Endemic to the Western Atlantic. Journal of Zoological Systematics and Evolutionary Research, 2023, Article 4798805
New combination: Carcharhinus oxyrhynchus (Isogomphodon oxyrhynchus), Carcharhinus glauca (Prionace glauca)
Abstract: The family Carcharhinidae includes the most typical and recognizable sharks, although its internal classification is the subject of extensive debate. In particular, the type genus, Carcharhinus Blainville, 1816, which is also the most speciose, appears to be paraphyletic in relation to a number of morphologically distinct taxa. Isogomphodon oxyrhynchus (Valenciennes, 1839) (the daggernose shark) is a carcharinid, which is endemic to a limited area of the Western Atlantic between Trinidad and Tobago and the Gulf of Maranhão in northern Brazil, one of the smallest ranges of any New World elasmobranch species. In recent decades, I. oxyrhynchus populations have been decimated by anthropogenic impacts, which has led to the classification of the species as critically endangered by the IUCN. However, there is considerable debate on both the validity of the species (I. oxyrhynchus) and the status of Isogomphodon Gill, 1862 as a distinct entity from the genus Carcharhinus. The present study is based on a molecular assessment of the genetic validity of the I. oxyrhynchus that combines mitochondrial and nuclear markers, which were used to identify the biogeographic events responsible for the emergence and dispersal of the species in northern Brazil. The genetic distance analyses and phylogenetic trees confirmed the paraphyly of the genus Carcharhinus, recovering a clade comprising Carcharhinus+I. oxyrhynchus+Prionace glauca (Linnaeus, 1758). Our results indicate not only that the daggernose shark is actually a member of the genus Carcharhinus, but that it is genetically more closely related to Carcharhinus porosus (Ranzani, 1839) than it is to the other Carcharhinus species analyzed. Given this, I. oxyrhynchus and P. glauca are therefore reclassified and recognized as Carcharhinus oxyrhynchus and Carcharhinus glaucus. The daggernose shark, Carcharhinus oxyrhynchus, diverged from C. porosus during the Miocene, when significant geomorphological processes occurred on the northern coast of South America, in particular in relation to the configuration of the Amazon River. It is closely associated with the area of the Amazon plume, and its distinctive morphological features represent autapomorphic ecological adaptations to this unique habitat and do not reflect systematic distinction from Carcharhinus.
Extinct Chondrichthyes:
Klug, C. & Coates, M. & Frey, L. & Greif, M. & Jobbins, M. & Pohle, A. & Lagnaoui, A. & Haouz, W.B. & Ginter, M. (2023) Broad snouted cladoselachian with sensory specialization at the base of modern chondrichthyans. Swiss Journal of Palaeontology, 142, Article 2
New genus: Maghriboselache
New species: Maghriboselache mohamezanei
Abstract: Throughout the Silurian and Devonian, cartilaginous fish successively evolved their specialized skeletal and dental characteristics, and increasingly refined their sensory systems. The Late Devonian shark taxon Maghriboselache mohamezanei gen. et sp. n. from the eastern Anti-Atlas of Morocco is known from multiple specimens preserving most of its skeletal features, which in some instances are preserved in three dimensions. Key details of the dentition, jaws, and pectoral skeleton are shared with the iconic genus Cladoselache. Phylogenetic analyses place the family Cladoselachidae as the sister group of symmoriiforms and these groups as sister group of the holocephalans. Further phylogenetic results corroborate that the initial evolutionary radiation of crown chondrichthyans occurred within or before the Late Devonian. Remarkably, this new stem holocephalan is equipped with a wide snout and large laterally separated nasal capsules: the earliest known example of this condition in the chondrichthyan and (perhaps) gnathostome record. This suggests sensory specialization approaching that of extant broad-rostrum elasmobranchs and represents a significant addition to increasingly apparent ecomorphological diversity among early chondrichthyans.
Ivanov, A.O. & Kovalenko, E.S. & Murashev, M.M. & Podurets, K.M. (2023) Euselachian Sharks (Elasmobranchii, Chondrichthyes) from the Middle and Late Permian of European Russia. Paleontological Journal, 56(11), 1372–1384
New genus: Desinia
New species: Desinia radiata
Abstract: A new genus and species euselachian Desinia radiata Ivanov gen. et sp. nov. from the Middle and Upper Permian deposits of European part of Russia is described based on material included the numerous teeth and small fragment of skull with jaw cartilages, teeth and scales. The new taxon is closely related with the genus Sphenacanthus and attributed to the family Sphenacanthidae. The holotype of other euselachian Xenosynechodus egloni is redescribed.
Batchelor, T.J. & Duffin, C.J. (2023) A new neoselachian shark from the marine Early Cretaceous of Southern England. Proceedings of the Geologists' Association, in press
New species: Corysodon multicristatus
Abstract: Rare, isolated teeth of Corysodon multicristatus sp. nov. are described from two levels in the Atherfield Clay Formation (Early Aptian, Early Cretaceous) of Atherfield Point on the Isle of Wight, UK. Ten teeth of the new species were recovered from 1095 kg of washed and graded sediment residues. The teeth themselves are very small (around 0.5 mm high) and possess a distinctive crown bearing a tiered series of transverse crests adapted for rasping. Details of the dental architecture of the Atherfield Clay Formation specimens clearly indicate that the Cretaceous material differs significantly from the teeth of the type species for the genus, Corysodon cirinensis, recorded from the Kimmeridgian of northern France and Switzerland. C. multicristatus is the first substantiated record of the genus from the Early Cretaceous, thereby extending the stratigraphic range of the genus from the latest Jurassic, and the geographical range from continental Europe to the UK.
Itano, W.M. (2023) A new janassid (Chondrichthyes, Petalodontiformes) from the Late Mississippian of Alabama, USA. Historical Biology, in press
New genus: Cavusodus
New species: Cavusodus whitei
Abstract: Teeth from the late Mississippian Bangor Limestone, Monteagle Limestone, and Pride Mountain Formation (early to middle Chesterian = late Viséan–early Serpukhovian) of northern Alabama, USA, are designated as Cavusodus whitei, gen. et sp. nov. The species is similar to Cypripediodens cristatus Duffin and Ward, known only from the Eyam Limestone Formation (Mississippian, late Viséan) of Derbyshire, England. Cypripediodens cristatus, the only species of the genus, is distinguished by teeth having an elongate crown, an apical cusp having a nearly circular cross-section, a secondary cusp on the lingual face, and several cristae on the lingual heel. Cavusodus whitei teeth resemble those of Cypripediodens cristatus but differ in lacking the secondary cusp, in having a more labiolingually compressed apical cusp, in possessing more robust lingual cristae, and in possessing a longitudinal groove on the labial face. The genera comprising the Janassidae are reconsidered. It is proposed that only Janassa, Cholodus, and Cypripediodens be retained, in addition to the new genus.
Parasites:
no news this month!
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Latest Research Articles
Extant Chondrichthyes:
Albano, P.S. & Fallows, C. & Fallows, M. & Williams, L.H. & Murray, T. & Sedgwick, O. & Hammerschlag, N. (2023): Acoustic tracking of a threatened juvenile shark species, the smooth hammerhead (Sphyrna zygaena), reveals vulnerability to exploitation at the boundary of a marine reserve. Frontiers in Marine Science, 10, Article 1082049 https://dx.doi.org/10.3389/fmars.2023.1082049
Albonetti, L. & Maiello, G. & Cariani, A. & Carpentieri, P. & Ferrari, A. & Sbrana, A. & Shum, P. & Talarico, L. & Russo, T. & Mariani, S. (2023): DNA metabarcoding of trawling bycatch reveals diversity and distribution patterns of sharks and rays in the central Tyrrhenian Sea. Ices Journal of Marine Science, in press https://dx.doi.org/10.1093/icesjms/fsad022
Anastasiadis, A. & Papadimitriou, E. & Küpper, F.C. (2023): [Retracted 20 March 2023] Reply to Comment on “First record of the goblin shark Mitsukurina owstoni Jordan, 1898 (Lamniformes: Mitsukurinidae) in the Mediterranean Sea” by Jürgen Pollerspöck, Simon Weigmann, Bernard Seret and Nicolas Straube. Mediterranean Marine Science, 24 (1), 101-103 Mediterranean Marine Science, 24(1), 104–108 https://dx.doi.org/10.12681/mms.32478
Anastasiadis, A. & Papadimitriou, E. & Küpper, F.C. (2023): Retraction Note: “4.4 First record of the goblin shark Mitsukurina owstoni Jordan, 1898 (Lamniformes: Mitsukurinidae) in the Mediterranean Sea” by Athanasios Anastasiadis, Evangelos Papadimitriou and Frithjof C. Küpper in: Kousteni, V. et al. (2022). New records of rare species in the Mediterranean Sea (May 2022). Mediterranean Marine Science, 23 (3), 417-446, doi: 10.12681/mms.28372 and Reply to Comment on “First record of the goblin shark Mitsukurina owstoni Jordan, 1898 (Lamniformes: Mitsukurinidae) in the Mediterranean Sea” by Jürgen Pollerspöck, Simon Weigmann, Bernard Seret and Nicolas Straube. Mediterranean Marine Science, 24 (1), 101-103, doi: http://doi.org/10.12681/mms.32478. Mediterranean Marine Science, 24(1), 173 https://dx.doi.org/10.12681/mms.32478
Anastasiadis, A. & Papadimitriou, E. & Küpper, F.C. (2023): [Retracted 20 March 2023] 4.4 First record of the goblin shark Mitsukurina owstoni Jordan, 1898 (Lamniformes: Mitsukurinidae) in the Mediterranean Sea [see Retraction Note]. Mediterranean Marine Science, 23 (3), 417-446
Aranha, S.G. & Teodosio, A. & Baptista, V. & Erzini, K. & Dias, E. (2023): A glimpse into the trophic ecology of deep-water sharks in an important crustacean fishing ground. Journal of Fish Biology, 102(3), 655–668 https://dx.doi.org/10.1111/jfb.15306
Bagnoli, S. & Chiavacci, E. & Cellerino, A. & Tozzini, E.T. (2023): Localization and Characterization of Major Neurogenic Niches in the Brain of the Lesser-Spotted Dogfish Scyliorhinus canicula. International Journal of Molecular Sciences, 24(4), Article 3650 https://dx.doi.org/10.3390/ijms24043650
Barash, A. & Scheinin, A. & Bigal, E. & Shamir, Z.Z. & Martinez, S. & Tchernov, D. (2023): Depth Partitioning and Diel Movement of Two Large Carcharhinid Sharks in Extremely Shallow Waters. Fishes, 8(2), Article 85 https://dx.doi.org/10.3390/fishes8020085
Baro-Camarasa, I. & Galvan-Magana, F. & Cobelo-Garcia, A. & Marmolejo-Rodriguez, A.J. (2023): Major, minor and trace element concentrations in the muscle and liver of a pregnant female Pacific sharpnose shark (Rhizoprionodon longurio) and its embryos. Marine Pollution Bulletin, 188, Article 114619 https://dx.doi.org/10.1016/j.marpolbul.2023.114619
Bartes, S.N. & Braccini, M. (2023): Length-length relationships for the main shark species caught in the commercial shark fisheries of Western Australia. Fisheries Management and Ecology, 30(2), 224–227 https://dx.doi.org/10.1111/fme.12613
Budd, A.M. & Schils, T. & Cooper, M.K. & Lyons, M.B. & Mills, M.S. & Deinhart, M.E. & Le Port, A. & Huerlimann, R. & Strugnell, J.M. (2023): Monitoring threatened species with environmental DNA and open ecological data: Local distribution and habitat preferences of scalloped hammerhead sharks (Sphyrna lewini). Biological Conservation, 278, Article 109881 https://dx.doi.org/10.1016/j.biocon.2022.109881
Cannon, A.L. & Hynes, M.G. & Brandi, M. & Wold, C. & O'Dea, A. & Altieri, A.H. & Smith, J.E. (2022): Simulated Green Turtle Grazing Reduces Seagrass Productivity and Alters Benthic Community Structure While Triggering Further Disturbance by Feeding Stingrays. Caribbean Journal of Science, 52(2), 373–388
Cortes, F. & Colonello, J.H. & Sammarone, M. & Zavatteri, A. & Hozbor, N.M. (2023): Demographic analyses reveal differential biological vulnerability in four Southwestern Atlantic skates. Canadian Journal of Fisheries and Aquatic Sciences, in press https://dx.doi.org/10.1139/cjfas-2021-0340
Crear, D.P. & Curtis, T.H. & Hutt, C.P. & Lee, Y.W. (2023): Climate-influenced shifts in a highly migratory species recreational fishery. Fisheries Oceanography, in press https://dx.doi.org/10.1111/fog.12632
da Silva Rodrigues-Filho, L.F. & da Costa Nogueira, P. & Sodré, D. & da Silva Leal, J.R. & Nunes, J.L.S. Rincon, G. & Lessa, R.P.T. & Sampaio, I. & Vallinoto, M. & Ready, J.S. & Sales, J.B.L. (2023): Evolutionary History and Taxonomic Reclassification of the Critically Endangered Daggernose Shark, a Species Endemic to the Western Atlantic. Journal of Zoological Systematics and Evolutionary Research, 2023, Article 4798805 https://dx.doi.org/10.1155/2023/4798805
da Silva, J. & Vaz, D.F.B. (2023): Morphology and phylogenetic significance of the pelvic articular region in elasmobranchs (Chondrichthyes). Cladistics, in press https://dx.doi.org/10.1111/cla.12528
de Aquino, J.B. & de Melo, L.F. & Rodrigues, R.F. & de Melo, A.P.F. & de Morais-Pinto, L. & Rici, R.E.G. (2023): Morphological aspects of the digestive system in freshwater stingray (Potamotrygon amandae-Loboda and Carvalho, 2013): Myliobatiformes; potamotrygoninae. Zoomorphology, in press https://dx.doi.org/10.1007/s00435-023-00592-w
De Maddalena, A. (2023): Evidence of a failed predatory attempt by an orca, Orcinus orca (Linnaeus, 1758), on a great white shark, Carcharodon carcharias (Linnaeus, 1758). Marine Biological Journal, 8(1), 51–55 https://dx.doi.org/10.21072/mbj.2023.08.1.04
De Oliveira, C.D.L. & Ladle, R.J. & Batista, V.D. (2023): Patterns and trends in scientific production on marine elasmobranchs: research hotspots and emerging themes for conservation. Journal of Coastal Conservation, 27(1), Article 6 https://dx.doi.org/10.1007/s11852-023-00937-z
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Rodriguez, N.B. & Harms-Tuohy, C. & Chizas, N.V. (2022): Using DNA Barcoding to Identify Seafood Fraud in Puerto Rico. Caribbean Journal of Science, 52(2), 331–352
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Extinct Chondrichthyes:
Amadori, M. & Solonin, S.V. & Vodorezov, A.V. & Shell, R. & Niedzwiedzki, R. & Kriwet, J. (2022): The extinct shark, Ptychodus (Elasmobranchii, Ptychodontidae) in the Upper Cretaceous of central-western Russia. - The road to easternmost peri-Tethyan seas. Journal of Vertebrate Paleontology, 42(2), Article https://dx.doi.org/10.1080/02724634.2022.2162909
Batchelor, T.J. & Duffin, C.J. (2023): A new neoselachian shark from the marine Early Cretaceous of Southern England. Proceedings of the Geologists' Association, in press https://dx.doi.org/10.1016/j.pgeola.2023.03.003
Batista, T.A. & Gallo, V. & Bantim, R.A.M. & Sena, M.V.A. & Santos, E.B. & De Lima, F.J. & Saraiva, A.A.F. & Silva, J.L. & Lima, M.J.F. & Oliveira, G.R. (2023): New data about the shark fauna of the Brejo Santo formation, Late Jurassic of the Araripe Basin, Northeastern Brazil. Journal of South American Earth Sciences, 123, Article 104193 https://dx.doi.org/10.1016/j.jsames.2023.104193
Bogan, S. & Martinelli, A. & Agnolin, F. (2023): Peces, anfibios, reptiles y un oso de las cavernas: la colección “Heidelberger Mineralien-Comptoir” que preserva el Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”. Revista del Museo Argentino de Ciencias Naturales, n.s., 25(1), 29–61
Brignon, A. (2023): Les vertébrés du Kimméridgien supérieur de Fumel (Lot-et-Garonne, France) dans la collection Jacques-Ludomir Combes (1824-1892) [The vertebrates from the Upper Kimmeridgian of Fumel (Lot-et-Garonne department, France) in the collection of Jacques-Ludomir Combes (1824-1892)]. Geodiversitas, 45(2), 55–126 https://dx.doi.org/10.5252/geodiversitas2023v45a2
Brignon, A. (2023): Les premières découvertes de vertébrés fossiles dans le Trias moyen de la Moselle (nord-est de la France). Bulletin de la Société d'Histoire naturelle et d'Ethnographie de Colmar, 79(5), 51–88
Capretz Batista Da Silva, J.P. & Shimada, K. & Datovo, A. (2023): The importance of the appendicular skeleton for the phylogenetic reconstruction of lamniform sharks (Chondrichthyes: Elasmobranchii). Journal of Morphology, 284, Aarticle e21585 https://dx.doi.org/10.1002/jmor.21585
Duffin, C.J. & Lauer, B. & Lauer, R. (2023): Hybodus hauffianus Fraas, 1895 from the Toarcian (Early Jurassic) of Dormettingen, SW Germany. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, 307(2), 141–154 https://dx.doi.org/10.1127/njgpa/2023/1120
Ebersole, J.A. & Kelosky, A.T. & Huerta-Beltrán, B.L. & Cicimurri, D.J. & Drymon, J.M. (2023): Observations on heterodonty within the dentition of the Atlantic Sharpnose Shark, Rhizoprionodon terraenovae (Richardson, 1836), from the north-central Gulf of Mexico, USA, with implications on the fossil record. PeerJ, 11, Article e15142 https://dx.doi.org/10.7717/peerj.15142
Ferrón, H.G. (2023): Illuminating the evolution of bioluminescence in sharks. Palaeontology, 66(1), Article e12641 https://dx.doi.org/10.1111/pala.12641
Itano, W.M. (2023): A new janassid (Chondrichthyes, Petalodontiformes) from the Late Mississippian of Alabama, USA. Historical Biology, in press https://dx.doi.org/10.1080/08912963.2023.2194902
Itano, W.M. & Duffin, C.J. (2023): An enigmatic chondrichthyan spine from the Visean of Indiana, USA that resembles a median rostral cartilage of Squaloraja (Holocephali, Chimaeriformes). Spanish Journal of Palaeontology, 38, in press https://dx.doi.org/10.7203/sjp.26305
Ivanov, A.O. & Kovalenko, E.S. & Murashev, M.M. & Podurets, K.M. (2022): Euselachian Sharks (Elasmobranchii, Chondrichthyes) from the Middle and Late Permian of European Russia. Paleontological Journal, 56(11), 1372–1384 https://dx.doi.org/10.1134/s0031030122110065
Klug, C. & Coates, M. & Frey, L. & Greif, M. & Jobbins, M. & Pohle, A. & Lagnaoui, A. & Haouz, W.B. & Ginter, M. (2023): Broad snouted cladoselachian with sensory specialization at the base of modern chondrichthyans. Swiss Journal of Palaeontology, 142, Article 2 https://dx.doi.org/10.1186/s13358-023-00266-6
Križnar, M. & Zupanc, J. (2022): Nova spodnjepermska ostanka hrustančnic (rod Petalodus) iz Karavank [New Lower Permian chondrichthyan remains (genus Petalodus) from the Karavanke Mountains]. Proteus, 85/2, 135–139
Popov & E.V. & Lopyrev, V.A. (2023): Elasmobranchs from the Lower Eocene Kalinino Formation of the Alai River, Saratov Region of Russia. Historical Biology, in press https://dx.doi.org/10.1080/08912963.2023.2184691
Reinecke, T. & Mollen, F.H. & Seitz, J.C. & Motomura, H. & Hovestadt, D. & Hoedemakers, K. (2023): Iconography of jaws and representative teeth of extant rhinopristiform and dasyatoid batoids (Chondrichthyes, Elasmobranchii) for comparison with fossil batoid material. Palaeontos, 34, 3–158
Schneider, C. & Ladwig, J. (2023): Fossilien aus dem Campan von Hannover - Fische (Pisces). In Arbeitskreis Paläontologie Hannover, 712 Seiten, 4. komplett überarbeitete Auflage, 2023, ISBN 978-938385-82-1
Villafana, J.A. & Rivadeneira, M.M. & Pimiento, C. & Kriwet, J. (2023): Diversification trajectories and paleobiogeography of Neogene chondrichthyans from Europe. Paleobiology, in press https://dx.doi.org/10.1017/pab.2022.40
Parasites:
Lipej, L. & Trkov, D. & Mavric, B. & Fortibuoni, T. & Bettoso, N. & Donsa, D. & Ivajnsic, D. (2022): Occurrence of bluntnose sixgill shark, Hexanchus griseus (Bonnaterre, 1788) in the Gulf of Trieste (northern Adriatic) with particular reference to historical and contemporary records in the Adriatic Sea. Acta Adriatica. 63(1), 127–138 https://dx.doi.org/10.32582/aa.63.1.10
Martin-Lazaro, A. & Isbert, W. & Repulles-Albeda, A. & Garcia-Ruiz, C. & Montero, F.E. (2023): First record of the cirripede Anelasma squalicola Darwin, 1852 (Pollicipedidae) in the Mediterranean Sea. Zootaxa, 5230(3), 381–390 https://dx.doi.org/10.11646/zootaxa.5230.3.7
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MISCELLANEOUS:
Beyond Jaws
New episode of the podcast Beyond Jaws!
Dr. Oscar Sosa joins Dr. David Ebert and Andrew Lewin to share his shark career story including why he chose to do graduate work in Japan and how he continues to be influenced by Japanese scientists and their culture. He also recounts the first time he met Dave and what his first impression of him was way back in the 80s.
https://www.speakupforblue.com/show/beyond-jaws/show-6/
Both Beyond Jaws audio and video shows can be followed and subscribed. Beyond Jaws is supported by the Save Our Seas Foundation.
https://saveourseas.com/
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- Date: March 29, 2023
- Source: Osaka Metropolitan University
- Summary: A group of researchers discovered that the rhodopsin -- a protein in the eye that detects light -- of whale sharks has changed to efficiently detect blue light, which penetrates deep-sea water easily. The amino acid substitutions -- one of which is counterintuitively associated with congenital stationary night blindness in humans -- aid in detecting the low levels of light in the deep-sea. Although these changes make the whale shark rhodopsin less thermally stable the deep-sea temperature, allows their rhodopsin to keep working. This suggests that the unique adaptation evolved to function in the low-light low-temperature environment where whale sharks live.
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- Date: April 12, 2023
- Source: Max Delbrück Center for Molecular Medicine in the Helmholtz Association
- Summary: Genes are not the only drivers of evolution. The iconic fins of skates are caused by changes in the non-coding genome and its three-dimensional structure, an international research team reports.
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New IUCN Shark News Newsletter is out!
Download: https://www.iucnssg.org/shark-news.html |
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