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On the by-catch of two porbeagle sharks in the Adriatic Sea
Published online on 07. June 2012 On the by-catch of two porbeagle sharks Lamna nasus in the central Adriatic Sea Umberto Scacco, Ivan Consalvo, Stefano DiMuccio and Leonardo Tunesi ABSTRACT: In July 2010 and August 2011 a subadult and an adult porbeagle shark Lamna nasus were respectively caught as by-catch by an artisanal fishery boat
First record of the pelagic thresher shark from the Lakshadweep Sea India
Published online on 27. March 2012 First record of the pelagic thresher shark Alopias pelagicus (Pisces: Alopiiformes: Alopiidae) from the Lakshadweep Sea, India K.V. Aneesh Kumar, S. Paresh Khanolkar, P. Pravin, B. Meenakumari and E.V. Radhakrishnan ABSTRACT: The pelagic thresher shark Alopias pelagicus is a large, wide-ranging Indo-Pacific Ocean pelagic shark. In this paper, the
Record of the goblin shark from Brazil
Published online on 08. May 2012 Record of the goblin shark Mitsukurina owstoni (Chondrichthyes: Lamniformes: Mitsukurinidae) from the south-western Atlantic Getulio Rincon, Teodoro Vaske Júnior and Otto B.F. Gadig ABSTRACT: This paper reports the first well-documented specimen of the goblin shark, Mitsukurina owstoni in the south-western Atlantic, based on a mature male measuring 3152 mm
Identification of Rays through DNA Barcoding
Published on 11. June 2012 Identification of Rays through DNA Barcoding: An Application for Ecologists Florencia Cerutti-Pereyra, Mark G. Meekan, Nu-Wei V. Wei, Owen O’Shea, Corey J. A. Bradshaw, Chris M. Austin ABSTRACT: DNA barcoding potentially offers scientists who are not expert taxonomists a powerful tool to support the accuracy of field studies involving taxa
Acanthodes and shark-like conditions in ancestor of modern gnathostomes
Published online on 13. June 2012 Acanthodes and shark-like conditions in the last common ancestor of modern gnathostomes Samuel P. Davis, John A. Finarelli & Michael I. Coates ABSTRACT: Acanthodians, an exclusively Palaeozoic group of fish, are central to a renewed debate on the origin of modern gnathostomes: jawed vertebrates comprising Chondrichthyes (sharks, rays and
Diel use of a saltwater creek by white-tip reef sharks in Galapagos
Published in June 2012 Diel use of a saltwater creek by white-tip reef sharks Triaenodon obesus (Carcharhiniformes: Carcharhinidae) in Academy Bay, Galapagos Islands César Peñaherrera, Alex R. Hearn & Angela Kuhn ABSTRACT: White-tip reef sharks are common inhabitants of the shallow waters surrounding the Galapagos Islands, where several known aggregation sites have become touristic attractions.
Trophic inferences of blue shark in Mexico
Published online on 04. June 2012 Trophic inferences of blue shark (Prionace glauca) in the Mexican Pacific from stable isotope analysis in teeth Polo-Silva, C. J., Galván-Magaña, F. and Delgado-Huertas, A. ABSTRACT: RATIONALE Isotopic analysis of biogenic tissues such as teeth of elasmobranchs has been well recognized as an important method to interpret present and
Pangnirtung Inuit and the Greenland Shark
Published online on 22. May 2012 Pangnirtung Inuit and the Greenland Shark: Co-producing Knowledge of a Little Discussed Species Carlos Julián Idrobo and Fikret Berkes ABSTRACT: When faced with a species that is seldom encountered or discussed, can local or indigenous people piece together their accumulated experience to make inferences about the ecology of that
Population genetics of Australian white sharks
Published online on 30. May 2012 Population genetics of Australian white sharks reveals fine-scale spatial structure, transoceanic dispersal events and low effective population sizes Dean C. Blower, John M. Pandolfi, Barry D. Bruce, Maria del C. Gomez-Cabrera and Jennifer R. Ovenden ABSTRACT: Despite international protection of white sharks Carcharodon carcharias, important conservation parameters such as
A new whipray species from the Persian Gulf
Published on 29. May 2012 Himantura randalli sp. nov., a new whipray (Myliobatoidea: Dasyatidae) from the Persian Gulf Peter R. Last, B. Mabel Manjaji-Matsumoto & Alec B. M. Moore ABSTRACT: A new whipray, Himantura randalli sp. nov., described from material collected off Bahrain, Kuwait and Qatar, appears to be endemic to the Persian Gulf. It
Regiospecific Analysis of Shark Liver Triacylglycerols
Published online on 24. May 2012 Regiospecific Analysis of Shark Liver Triacylglycerols Chamila Jayasinghe, Naohiro Gotoh und Shun Wada ABSTRACT: The liver oils of six shallow-water shark species, silky (Carcharhinus falciformis), thresher (Alopias superciliosus), oceanic whitetip (Carcharhinus longimanus), blue (Prionace glauca), hammerhead (Sphyrna lewini) and salmon (Lamna ditropis) were analyzed with particular attention to the
Feeding ecology of the deep-sea lanternshark Etmopterus pusillus
Forthcoming Publication Feeding ecology of the deep-sea lanternshark Etmopterus pusillus (Elasmobranchii: Etmopteridae) in the northeast Atlantic José C. Xavier, Cátia Vieira, Carlos Assis, Yves Cherel, Simeon Hill, Esmeralda Costa, Teresa C. Borges and Rui Coelho ABSTRACT: This study provides the first description of the feeding ecology of the smooth lanternshark Etmopterus pusillus based on stomach
Age, growth and maturity of the brown stingray Dasyatis lata
Published online on 09. May 2012 Age, growth and maturity of the brown stingray (Dasyatis lata) around Oahu, Hawai’i J. J. Dale and K. N. Holland ABSTRACT: Baseline data on life-history characteristics of elasmobranchs are often lacking before fisheries exploitation, hindering successful management and conservation of affected species. Age, growth and maturity estimates were determined
Satellite Tracking of Manta Rays off Mexico’s Yucatan Peninsula
Published on 10. May 2012 Satellite Tracking of Manta Rays Highlights Challenges to Their Conservation Rachel T. Graham, Matthew J. Witt, Dan W. Castellanos, Francisco Remolina, Sara Maxwell, Brendan J. Godley, Lucy A. Hawkes ABSTRACT: We describe the real-time movements of the last of the marine mega-vertebrate taxa to be satellite tracked – the giant
Feeding of the Brazilian sharpnose shark
Published online on 04. May 2012 Feeding of the Brazilian sharpnose shark Rhizoprionodon lalandii (Müller & Henle, 1839) from southern Brazil H. Bornatowski, M. R. Heithaus, V. Abilhoa, M. F. M. Corrêa ABSTRACT: Stomach contents of 175 Brazilian sharpnose sharks, Rhizoprionodon lalandii, were examined to assess their feeding habits. Caught by artisanal fishers between June