NEWSLETTER 01/2018 19.01.2018
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Pollerspöck, J. & Straube, N. 2018, Bibliography database of living/fossil sharks, rays and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali), www.shark-references.com, World Wide Web electronic publication, Version 2018 |
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NEWS/ OWN RESEARCH
POTY 2017 is out!!
Dear friends of shark-references!
The new open access report "Papers Of The Year 2017 (POTY 2017)" is ready for download!
New in this year's POTY is the subheader "biodiversity" comprising a complete list of all valid chimaeriform, selachian and batoid species, as well as a list of the top 20 most researched chondrichthyan species!
Happy new year!
Nico (nicolas.straube@shark-references.com) and Jürgen (juergen.pollerspoeck@shark-references.com)
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NEW PARTNERS OF SHARK-REFERENCES:
Partner in Google-Maps:
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New Images:
Many thanks to the following people for providing images:
Pradip Patade, India for the images of Torpedo sinuspersici OLFERS, 1831, Sassoon dock , Mumbai, India
M. Stehmann, Elasmo-Lab Hamburg, germany for the images of Hydrolagus pallidusHARDY & STEHMANN, 1990, adult, male, length: 740 mm BL, 1107 mm TL, date vessel station: 09.12.1974, "W. Herwig“- Stat. 956/74, location: Great Sole-Bank NW, paratype, ZMH 25393 (old ISH: 831-1974):
and Galeus melastomus (LINNAEUS, 1758)
and Centroscyllium fabricii (REINHARDT, 1825), female, 1986
and Hydrolagus mirabilis (COLLETT, 1904), 9.12.1974
Pradip Patade, India for images of Rhina ancylostoma BLOCH & SCHNEIDER, 1801, size of head is around one feet, Sassoon Dock, Mumbai, India
Frederik H. Mollen (Elasmobranch Research Belgium) for the images of Aetobatus ocellatus (ERB 1033), female, 55,0 DW, 139,5 TL, South of Java, Indonesia
and Aetomylaeus bovinus (GEOFFROY SAINT-HILAIRE, 1817) (ERB 1031), female, 73,0 DW, 111,2 TL, Eastern Mediterranean, Turkey
Muhammad Iqbal, Sriwijaya University, Indonesia for the images of Fluvitrygon signifer(COMPAGNO & ROBERTS, 1982), Sumatra
Bhagyalekshmi Venugopal, Department of Aquatic Biology and Fisheries, University of Kerala for the images of Acroteriobatus variegatus (NAIR & LAL MOHAN, 1973), male, TL ca. 55 cm, Thiruvananthapuram, Kerala, India, 05.10.2017:
and Orbiraja powelli (ALCOCK, 1898), female, TL 42 cm, Muttom, Tamilnadu, India, 07.01.2017.
Bianca de Sousa Rangel, University of São Paulo (IB-USP) for the images of Zapteryx brevirostris (MÜLLER & HENLE,1838), Female mature (pregnant), 42,3 cm TL, 21,0 cm DW Guarujá, São Paulo, Southern Brazil
SÉBASTIEN ENAULT, http://www.kraniata.com for the image of Chlamydoselachus anguineus GARMAN, 1884, off Japan, female (?):
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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.
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:
ESEB is delighted to welcome you to the Second Joint Congress on Evolutionary Biology. Joint Congresses take place every six years and bring together four of the world's largest academic societies in the field of evolutionary biology: the European Society for Evolutionary Biology, the American Society of Naturalists, the Society for the Study of Evolution and the Society of Systematic Biologists. The first joint congress was in Ottawa, Canada in 2012. The current (i.e. second) will be held in Montpellier, France, on August 19-22 2018.
OCS 2018 MEETING
The website and registration details for the OCS 2018 meeting next February are now online at http://www.oceaniasharks.org.au/conference-2018
The 2018 conference is going to be a little different. It’s going to be at Moreton Bay Research Station which is where in the early 2000’s a group of students started their own chondrichthyan focused workshops and seminars to provide a supportive and inclusive forum for presenting shark and ray research. Those events were part of what became the OCS in 2005. In 2018, we’re returning to where some of those early meetings were held, and incidentally, to a beautiful location on the coast with opportunities to dive with manta rays and leopard sharks following the conference. Research station based meetings have a different feel to the normal city or campus based meetings, and Stradbroke Island really is a beautiful location.
Registration and abstract submission are via the online form. Upon registering you should receive a PayPal receipt email as well as an acknowledgement from the conference website. If you encounter any problems with online registration or abstract submission, please contact Jon Smart (Jonathan.Smart@sa.gov.au).
The deadline for abstracts is January 22.
SHARKS INTERNATIONAL CONFERENCE
SHARKS INTERNATIONAL CONFERENCE
João Pessoa, 3-8 June, 2018
The Sharks International Conference is the first truly international event devoted to elasmobranchs, and its first two editions were held respectively in Cairns, Australia in 2010 and Durban, South Africa in 2014. The city of João Pessoa was chosen as the venue for this important event, which will also congregate members of the Brazilian Society for the Study of Elasmobranchs (SBEEL) and the American Elasmobranch Society (AES) in 2018.
João Pessoa, founded in August 5, 1585, is the capital of Paraíba state, northeastern Brazil. It is located in the easternmost portion of the Americas, where a cape named Ponta do Seixas enters the Atlantic Ocean. Its coastline extends for 24 kilometers, with nine beaches. The downtown area and neighbouring municipalities present many historical and tourist sites.
More information and an internet site of the event will soon be available. We hope to have many participants from all over the world.
The website and registration details for the OCS 2018 meeting next February are now online at http://www.oceaniasharks.org.au/conference-2018
The 2018 conference is going to be a little different. It’s going to be at Moreton Bay Research Station which is where in the early 2000’s a group of students started their own chondrichthyan focused workshops and seminars to provide a supportive and inclusive forum for presenting shark and ray research. Those events were part of what became the OCS in 2005. In 2018, we’re returning to where some of those early meetings were held, and incidentally, to a beautiful location on the coast with opportunities to dive with manta rays and leopard sharks following the conference. Research station based meetings have a different feel to the normal city or campus based meetings, and Stradbroke Island really is a beautiful location.
Registration and abstract submission are via the online form. Upon registering you should receive a PayPal receipt email as well as an acknowledgement from the conference website. If you encounter any problems with online registration or abstract submission, please contact Jon Smart (Jonathan.Smart@sa.gov.au).
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TAXONOMIC NEWS/ NEW SPECIES
Extinct Chondrichthyes:
FUCHS, I. & ENGELBRECHT, A. & LUKENEDER, A. & KRIWET, J. (2017): New Early Cretaceous sharks (Chondrichthyes, Elasmobranchii) from deep-water deposits of Austria. Cretaceous Research, in press
New genus: Altusmirus, Fornicatus, Similiteroscyllium
New species: Altusmirus triquetrus, Similiteroscyllium iniquus, Fornicatus austriacus
Abstract: Early Cretaceous elasmobranchs still are very insufficiently known despite all progress that has been accomplished in recent years. Here, a small elasmobranch assemblage is presented from the Valanginian of Austria that contributes significantly to a better understanding of early Cretaceous elasmobranch diversity. The new assemblage comprises two new carcharhiniform sharks, Altusmirus triquetrus gen. et sp. nov. and Fornicatus austriacus gen. et sp. nov., a new orectolobiform shark, Similiteroscyllium iniquus gen. et sp. nov., and a galeomorph shark tooth of uncertain affinities. The recent identification of Similiteroscyllium gen. nov. has shown that it has strong similarities with Ornatoscyllium rugasimulatum from the Lower Cretaceous of France. Significant differences of the tooth morphology of O. rugasimulatum and the type specimen O. freemanijustify full reconsideration of the systematic position of O. rugasimulatum and require it to be reassigned to Similiteroscylliumgen. nov. described in this paper. The new assemblage described here, and those from the Valanginian of France and Poland comprising 30 additional taxa, indicates that Early Cretaceous elasmobranch diversity was significantly higher than previously assumed. Consequently, the supposed diversity decline of elasmobranchs across the Jurassic-Cretaceous boundary represents a collecting bias rather than a real pattern.
EBERSOLE, J.A. & EHRET, D.J. (2018): A new species of Cretalamna sensu stricto (Lamniformes, Otodontidae) from the Late Cretaceous (Santonian-Campanian) of Alabama, USA. PeerJ, 6: e4229
New species: Cretalamna bryanti
Abstract: Decades of collecting from exposures of the Upper Cretaceous Tombigbee Sand Member of the Eutaw Formation and Mooreville Chalk in Alabama, USA has produced large numbers of isolated Cretalamna (sensu stricto) teeth. Many of these teeth had formerly been assigned to the extinct Late Cretaceous shark Cretalamna appendiculata (Agassiz, 1843), a taxon that is now considered largely restricted to the Turonian of Europe. Recent studies have shed light on the diversity of Late Cretaceous Cretalamna (s.s.) taxa, and here we recognize a new species from Alabama, Cretalamna bryanti. The teeth of C. bryanti sp. nov. appear aligned with the members of the Cretalamna borealis species group, but can be distinguished from these other species by a combination of the following: anterior teeth with a more pronounced and triangular lingual root protuberance, broader triangular cusp, and a taller root relative to the height of the crown; anteriorly situated lateroposterior teeth have a distally inclined or hooked main cusp and more than one pair of lateral cusplets; and lateroposterior teeth have a strong distally hooked main cusp and a root that is largely symmetrical in basal view. At present, C. bryanti sp. nov. is stratigraphically confined to the Santonian/Campanian Dicarinella asymetrica Sigal, 1952 and Globotruncanita elevata Brotzen, 1934 Planktonic Foraminiferal Zones within the Tombigbee Sand Member of the Eutaw Formation and Mooreville Chalk, and teeth have been collected from only four counties in central and western Alabama. The recognition of C. bryanti sp. nov. in Alabama adds to our knowledge on the diversity and distribution of Late Cretaceous otodontids in the region.
PAULIV, V.E. & MARTINELLI, A.G. & FRANCISCHINI, H. & DENTZIEN-DIAS, P. & SOARES, M.B. & SCHULTZ, C.L. & RIBEIRO, A.M. (2017): The first Western Gondwanan species of Triodus Jordan 1849: A new Xenacanthiformes (Chondrichthyes) from the late Paleozoic of Southern Brazil. Journal of South American Earth Sciences, 80: 482-493
New species: Triodus richterae
Abstract: Triodus is a well-known genus of Xenacanthiformes, previously recorded from the late Bashkirian (Lower Pennsylvanian, Carboniferous) to the middle Artinskian (Cisuralian, Permian), mainly from Laurasian deposits (Europe and USA). For the first time, this genus is recorded from the Western Gondwana, based on isolated teeth that are referred to Triodus richterae sp. nov. The new species were found associated with other shark teeth (another xenacanthiforms and a possible euselachian), palaeoniscoid teeth and scales, labyrinthodont teeth, tetrapod bony remains, macroscopic charcoal and leaf fragments. This fossil assemblage was collected in a conglomerate layer from the Barro Alto site (São Gabriel municipality, Rio Grande do Sul State, Brazil), with an estimated Capitanian age, from the Morro Pelado Member, Rio do Rasto Formation, Paraná Basin. The new species has teeth with an almost oval base and the aboral surface has a smooth concavity and a rounded to horseshoe-shaped basal tubercle. The coronal surface of these teeth has a tricuspid crown, a rhomboid-shaped coronal button with rounded edges with a lingually directed shaft and some oral foramina predominantly situated at the lingual margin of the base and flanking the lingual shaft. The lateral cusps bear a variable number of non-branching vertical cristae, distributed from the apex to their proximal portion, making the transversal section of these cusps asterisk-shaped. Microstructurally, these teeth have both base and cusps composed of orthodentine with an opened pulp cavity. T. richterae sp. nov. represents the youngest species of Triodus, considering it comes from Capitanian (late Guadalupian) beds, which are at least 15 Ma younger than T. kraetschmeri, the previously youngest species of this genus. The depositional interpretation, as well as the fossil assemblage in the type locality of the new species and of the Rio do Rasto Formation as a whole, indicates another freshwater record for xenacanthid sharks.
Parasites:
DIPPENAAR, S.M. (2017): Description of four new species and a revision of the genus Tripaphylus Richiardi in Anonymous, 1878 (Copepoda: Siphonostomatoida: Sphyriidae). Systematic Parasitology, in press
New species: Tripaphylus lewisi,Tripaphylus benzi, Tripaphylus hoi, Tripaphylus beatricae
Abstract: Tripaphylus Richiardi in Anonymous, 1878 is one of the genera of the Sphyriidae Wilson, 1919 and it currently accommodates ten species. Only scanty descriptions are available for the females and some males of the species. Tripaphylus specimens, described and illustrated in this paper, were collected from elasmobranch hosts off the South African coast or came from the private collection of the late Dr G. Benz. Collected specimens were fixed and preserved in 70% ethanol, examined by light - and scanning electron microscopy, and compared with the known species. Descriptions and illustrations are provided for the transformed adult females and males of T. elongatus (Wilson, 1932) and T. versicolor (Wilson, 1919) while illustrated descriptions of the transformed adult females are also provided for T. ferox (Wilson, 1919) and T. vaissierei (Delamare Deboutteville & Nuñes-Ruivo, 1954). Additionally, the material previously reported as T. ferox is considered to represent T. elongatus and that reported as T. lobatus (Kirtisinghe, 1964) is considered a junior synonym of T. vaissierei. Based on the collected material the transformed adult female and male of T. lewisi n. sp. are described as well as the adult transformed females of T. benzi n. sp., T. hoi n. sp., and T. beatricae n. sp. A summarised review of the main features is provided for each of the previously described T. musteli (van Beneden, 1851), T. hemigalei Kirtisinghe, 1964, T. australis (Kabata, 1993), T. triakis (Castro Romero, 2001) and T. asymboli (Turner, Kyne & Bennett, 2003). Furthermore, reasons are provided for the recommendation that T. hemigalei be considered a species inquirenda. An identification key to the transformed adult females of all species of Tripaphylus is provided and the host records are also updated.
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Latest Research Articles
Extant Chondrichthyes:
ADEMOLLO, N. & PATROLECCO, L. & RAUSEO, J. & NIELSEN, J. & CORSOLINI, S. (2018) Bioaccumulation of nonylphenols and bisphenol A in the Greenland shark Somniosus microcephalus from the Greenland seawaters. Microchemical Journal, 136: 106-112 http://dx.doi.org/10.1016/j.microc.2016.11.0139
ALKUSAIRY, H.H. & SAAD, A.A. (2017) Some morphological and biological aspects of longnosed skate, Dipturus oxyrinchus (Elasmobranchii: Rajiformes: Rajidae), in Syrian marine waters (eastern Mediterranean). Acta Ichthyologica et Piscatoria, 47 (4): 371–383 http://dx.doi.org/10.3750/AIEP/02283
AUGUSTINE, S. & LIKA, K. & KOOIJMAN, SALM (2017) Comment on the ecophysiology of the Greenland shark, Somniosus microcephalus. Polar Biology, 40 (12): 2429-2433 http://dx.doi.org/10.1007/s00300-017-2154-8
BAKKER, J. & WANGENSTEEN, O.S. & CHAPMAN, D.D. & BOUSSARIE, G. & BUDDO, D. & GUTTRIDGE, T.L. & HERTLER, H. & MOUILLOT, D. & VIGLIOLA, L. & MARIANI, S. (2017) Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact. Scientific Reports, 7: 16886 http://dx.doi.org/10.1038/s41598-017-17150-2
BARRY, S.N. & CROW, K.D. (2017) The role of HoxA11 and HoxA13 in the evolution of novel fin morphologies in a representative batoid (Leucoraja erinacea). EvoDevo, 8: 24 http://dx.doi.org/10.1186/s13227-017-0088-4
BOCKUS, A.B. & SEIBEL, B.A. (2018) Synthetic capacity does not predict elasmobranchs’ ability to maintain trimethylamine oxide without a dietary contribution. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, in press http://dx.doi.org/10.1016/j.cbpa.2017.12.008
BOGGETT, S. & STILES, J.-L. & SUMMERS, A.P. & FUDGE, D.S. (2017) Flaccid skin protects hagfishes from shark bites. Journal of the Royal Society Interface, 14: 20170765 http://dx.doi.org/10.1098/rsif.2017.0765
CERVANTES-GUTIÉRREZ, F. & TOVAR-ÁVILA, J. & GALVÁN-MAGAÑA, F. (2018) Age and growth of the banded guitarfish Zapteryx exasperata (Chondrichthyes: Trygonorrhinidae). Marine and Freshwater Research, 69 (1): 66-73 http://dx.doi.org/10.1071/MF16403
CHEN, X. & WANG, J.J. & AI, W.M. & CHEN, H. & LIN, H.D. (2018) Phylogeography and genetic population structure of the spadenose shark (Scoliodon macrorhynchos) from the Chinese coast. Mitochondrial DNA Part A, in press http://dx.doi.org/10.1080/24701394.2017.1413363
COLLOCA, F. & ENEA, M. & RAGONESE, S. & DI LORENZO, M. (2017) A century of fishery data documenting the collapse of smooth-hounds (Mustelus spp.) in the Mediterranean Sea. Aquatic Conservation-Marine and Freshwater Ecosystems, 27 (6): 1145-1155 http://dx.doi.org/10.1002/aqc.2789
DAVIDSON, L.N.K. & DULVY, N.K. (2017) Global marine protected areas to prevent extinctions. Nature Ecology & Evolution, 1 (2): 0040 http://dx.doi.org/10.1038/s41559-016-0040
DEDMAN, S. & OFFICER, R. & CLARKE, M. & REID, D.G. & BROPHY, D. (2017) Gbm.auto: A software tool to simplify spatial modelling and Marine Protected Area planning. PLoS ONE, 12 (12): e0188955 http://dx.doi.org/10.1371/journal.pone.0188955
ESTUPIÑÁN-MONTAÑO, C. & GALVÁN-MAGAÑA, F. & TAMBURIN, E. & SÁNCHEZ-GONZÁLEZ, A. & VILLALOBOS-RAMÍREZ, D.J. & MURILLO-BOHÓRQUEZ, N. & BESSUDO-LION, S. & ESTUPIÑÁN-ORTIZ, J.F. (2017) Trophic inference in two sympatric sharks, Sphyrna lewini and Carcharhinus falciformis (Elasmobranchii: Carcharhiniformes), based on stable isotope analysis at Malpelo Island, Colombia. Acta Ichthyologica et Piscatoria, 47 (4): 357–364 http://dx.doi.org/10.3750/AIEP/02177
FARCOMENI, A. (2018) Fully general Chao and Zelterman estimators with application to a whale shark population. Journal of the Royal Statistical Society Series C-Applied Statistics, 67 (1): 217-229 http://dx.doi.org/10.1111/rssc.12219
FELDHEIM, K.A. & FIELDS, A.T. & CHAPMAN, D.D. & SCHARER, R.M. & POULAKIS, G.R. (2017) Insights into reproduction and behavior of the smalltooth sawfish Pristis pectinata. Endangered Species Research, 34: 463-471 http://dx.doi.org/10.3354/esr00868
FERNANDES, P.G. & RALPH, G.M. & NIETO, A. & CRIADO, M.G. & VASILAKOPOULOS, P. & MARAVELIAS, C.D. & COOK, R.M. & POLLOM, R.A. & KOVACIC, M. & POLLARD, D. & FARRELL, E.D. & FLORIN, A.B. & POLIDORO, B.A. & LAWSON, J.M. & LORANCE, P. & UIBLEIN, F. & CRAIG, M. & ALLEN, D.J. & FOWLER, S.L. & WALLS, R.H.L. & COMEROS-RAYNAL, M.T. & HARVEY, M.S. & DUREUIL, M. & BISCOITO, M. & POLLOCK, C. & PHILLIPS, S.R.M. & ELLIS, J.R. & PAPACONSTANTINOU, C. & SOLDO, A. & KESKIN, C. & KNUDSEN, S.W. & DE SOLA, L.G. & SERENA, F. & COLLETTE, B.B. & NEDREAAS, K. & STUMP, E. & RUSSELL, B.C. & GARCIA, S. & AFONSO, P. & JUNG, A.B.J. & ALVAREZ, H. & DELGADO, J. & DULVY, N.K. & CARPENTER, K.E. (2017) Coherent assessments of Europe’s marine fishes show regional divergence and megafauna loss. Nature Ecology & Evolution, 1 (7): 0170 http://dx.doi.org/10.1038/s41559-017-0170
FISH, F.E. & DONG, H.B. & ZHU, J.J. & BART-SMITH, H. (2017) Kinematics and Hydrodynamics of Mobuliform Swimming: Oscillatory Winged Propulsion by Large Pelagic Batoids. Marine Technology Society Journal, 51 (5): 35-47
FONTENELLE, J.P. & LOBODA, T.S. & KOLMANN, M. & DE CARVALHO, M.R. (2018) Angular cartilage structure and variation in Neotropical freshwater stingrays (Chondrichthyes: Myliobatiformes: Potamotrygonidae), with comments on their function and evolution. Zoological Journal of the Linnean Society, in press http://dx.doi.org/10.1093/zoolinnean/zlx054
FUJINAMI, Y. & NAKATSUKA, S. & OHSHIMO, S. (2018) Feeding Habits of the Blue Shark (Prionace glauca) in the Northwestern Pacific Based on Stomach Contents and Stable Isotope Ratios. Pacific Science, 72 (1): 21-39 http://dx.doi.org/10.2984/72.1.2
FUOCHI, V. & LI VOLTI, G. & CAMIOLO, G. & TIRALONGO, F. & GIALLONGO, C. & DISTEFANO, A. & PETRONIO, G.P. & BARBAGALLO, I. & VIOLA, M. & FURNERI, P.M. & DI ROSA, M. & AVOLA, R. & TIBULLO, D. (2017) Antimicrobial and Anti-Proliferative Effects of Skin Mucus Derived from Dasyatis pastinaca (Linnaeus, 1758). Marine Drugs, 15 (11): 342 http://dx.doi.org/10.3390/md15110342
GARCÍA, C.B. (2017) What do we know about soft-bottom elasmobranch species richness in the Colombian Caribbean and of its spatial distribution? Regional Studies in Marine Science, 9: 62-68 http://dx.doi.org/10.1016/j.rsma.2016.11.006
GARCÍA, C.B. (2017) Presence and distribution of Chimaeriformes in the Colombian Caribbean Sea. Pan-American Journal of Aquatic Sciences, 12 (1): 85-88
GILBY, B.L. & OLDS, A.D. & CONNOLLY, R.M. & YABSLEY, N.A. & MAXWELL, P.S. & TIBBETTS, I.R. & SCHOEMAN, D.S. & SCHLACHER, T.A. (2017) Umbrellas can work under water: Using threatened species as indicator and management surrogates can improve coastal conservation. Estuarine Coastal and Shelf Science, 199: 132-140 http://dx.doi.org/10.1016/j.ecss.2017.10.003
GILLIS, J.A. & ALSEMA, E.C. & CRISWELL, K.E. (2017) Trunk neural crest origin of dermal denticles in a cartilaginous fish. Proceedings of the National Academy of Sciences of the United States of America, 114 (50): 13200-13205 http://dx.doi.org/10.1073/pnas.1713827114
GONZALEZ-PESTANA, A. & ALFARO-SHIGUETO, J. & MANGEL, J.C. & ESPINOZA, P. (2017) Mercury levels in the Smooth Hammerhead Shark Sphyrna zygaena (Carcharhiniformes: Sphyrnidae) from Northern Peru. Revista Peruana de Biología, 24 (4): 407-41 1 http://dx.doi.org/10.15381/rpb.v24i4.14066
GUIDA, L. & DAPP, D.R. & HUVENEERS, C.P.M. & WALKER, T.I. & REINA, R.D. (2017) Evaluating time-depth recorders as a tool to measure the behaviour of sharks captured on longlines. Journal of Experimental Marine Biology and Ecology, 497: 120-126 http://dx.doi.org/10.1016/j.jembe.2017.09.011
HAMMERSCHLAG, N. & BARLEY, S.C. & IRSCHICK, D.J. & MEEUWIG, J.J. & NELSON, E.R. & MEEKAN ,M.G. (2018) Predator declines and morphological changes in prey: evidence from coral reefs depleted of sharks. Marine Ecology Progress Series, 586: 127-139 http://dx.doi.org/10.3354/meps12426
HAMMERSCHLAG, N. & MEYER, M. & SEAKAMELA, S.M. & KIRKMAN, S. & FALLOWS, C. & CREEL, S. (2017) Physiological stress responses to natural variation in predation risk: evidence from white sharks and seals. Ecology, 98 (12): 3199-3210 http://dx.doi.org/10.1002/ecy.2049
HANSELL, A.C. & KESSEL, S.T. & BREWSTER, L.R. & CADRIN, S.X. & GRUBER, S.H. & SKOMAL, G.B. & GUTTRIDGE, T.L. (2018) Local indicators of abundance and demographics for the coastal shark assemblage of Bimini, Bahamas. Fisheries Research, 197: 34-44 http://dx.doi.org/10.1016/j.fishres.2017.09.016
HARA, K. & FURUMITSU, K. & AOSHIMA, T. & KANEHARA, H. & YAMAGUCHI, A. (2018) Age, growth, and age at sexual maturity of the commercially landed skate species, Dipturus chinensis (Basilewsky, 1855), in the northern East China Sea. Journal of Applied Ichthyology, 34 (1): 66–72 http://dx.doi.org/10.1111/jai.13575
HENDERSON, P.A. (2017) Long-term temporal and spatial changes in the richness and relative abundance of the inshore fish community of the British North Sea Coast. Journal of Sea Research, 127: 212-226 http://dx.doi.org/10.1016/j.seares.2017.06.011
HERBERT, N.A. & SKOV, P.V. & TIRSGAARD, B. & BUSHNELL, P.G. & BRILL, R.W. & CLARK, C.H. & STEFFENSEN, J.F. (2017) Blood O-2 affinity of a large polar elasmobranch, the Greenland shark Somniosus microcephalus. Polar Biology, 40 (11): 2297-2305 http://dx.doi.org/10.1007/s00300-017-2142-z
HETJENS, B. (2017) Multielementanalyse an fossilen Haizähnen mittels (LA-) ICP-MS und XRF. Thesis (B. Sc.), Hochschule Rhein-Waal
HIROKO, K. (2017) Characteristic fine structures of uterine activity of a pregnant Great White Shark. Placenta, 59: 171-172
HUSTON, C.A. & STEVENS, P.W. & BLAXTON, R.M. & TOLLEY, G. & SCHARER, R.M. & TORNWALL, B.M. & POULAKIS, G.R. (2017) Diel movements of juvenile smalltooth sawfish: implications for defining the size of a nursery hotspot. Endangered Species Research, 34: 311-322
IQBAL, M. & SETIAWAN, D. & AJIMAN (2018) New data on the distribution of the endangered white-edge freshwater whipray Fluvitrygon signifer (Chondrichthyes: Dasyatidae). Ichthyological Exploration of Freshwaters, 28 82): 171-176
ISCI, E.T. & RITTER, E. (2017) Comment on clinical features of 27 shark attack cases on La Reunion Island. Journal of Trauma and Acute Care Surgery, 83 (6): 1216-1216 http://dx.doi.org/10.1097/ta.0000000000001669
JANUŠONIS, S. (2018) Some Galeomorph Sharks Express a Mammalian Microglia-Specific Protein in Radial Ependymoglia of the Telencephalon. Brain, Behavior and Evolution, in press http://dx.doi.org/10.1159/000484196
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SULIKOWSKI, J.A. & BENOIT, H.P. & CAPIZZANO, C.W. & KNOTEK, R.J. & MANDELMAN, J.W. & PLATZ, T. & RUDDERS, D.B. (2018) Evaluating the condition and discard mortality of winter skate, Leucoraja ocellata, following capture and handling in the Atlantic monkfish (Lophius americanus) sink gillnet fishery. Fisheries Research, 198: 159-164 http://dx.doi.org/10.1016/j.fishres.2017.10.001
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Extinct Chondrichthyes:
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Parasites:
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DIPPENAAR, S.M. (2018) Description of four new species and a revision of the genus Tripaphylus Richiardi in Anonymous, 1878 (Copepoda: Siphonostomatoida: Sphyriidae). Systematic Parasitology, in press http://dx.doi.org/10.1007/s11230-017-9767-8
DUCATTI, R. & TAKATSUKA, V. & AZEVEDO, V.G. & SANCHES, E.G. & PASCHOAL, F. & LUQUE, J.L. (2018) Occurrence of Metacaligus rufus (Wilson, 1908) (Copepoda, Caligidae) parasitizing the cownose ray Rhinoptera bonasus (Mitchill, 1815) (Elasmobranchii, Myliobatidae) in Brazil. Brazilian Journal of Biology, in press http://dx.doi.org/10.1590/1519-6984.175363
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image: Galeocerdo cuvier (PÉRON & LESUEUR, 1822), © Albert Kok
Tagged tiger shark proving unstoppable
- Date: January 11, 2018
- Source: Nova Southeastern University
- Summary: For more than a decade, researchers have been tagging and tracking sharks in order to study their migratory patterns and more. One tiger shark - Andy - is now the longest-ever tracked tiger shark, providing years worth of data for researchers.
https://www.sciencedaily.com/releases/2018/01/180111163013.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Ffish+%28Fish+News+--+ScienceDaily%29 |
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