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Feeding and migration habits of white shark from Isla Guadalupe inferred by analysis of stable isotopes
Epub on 01. June 2014 Feeding and migration habits of white shark Carcharodon carcharias (Lamniformes: Lamnidae) from Isla Guadalupe inferred by analysis of stable isotopes δ15N and δ13C Mario Jaime-Rivera, Javier Caraveo-Patiño, Mauricio Hoyos-Padilla, Felipe Galván-Magaña ABSTRACT: Stable isotope composition of marine top predator’s tissues provides insight information of its trophic ecology and migratory behavior.
Endohelminth parasites of the leafscale gulper shark off Madeira Archipelago
Published in June 2014 Endohelminth parasites of the leafscale gulper shark, Centrophorus squamosus (Bonnaterre, 1788) (Squaliformes:Centrophoridae) off Madeira Archipelago Graça Costa, Tomás Chada, Egberto Melo-Moreira, Serena Cavallero, Stefano D’Amelio ABSTRACT: The endohelminth parasite fauna of a deep water shark, the leafscale gulper shark, Centrophorus squamosus, examined from Madeiran waters, from September 2009 to January 2010,
How robust are estimates of coral reef shark depletion?
Publishe online on 29. May 2014 How robust are estimates of coral reef shark depletion? Justin R. Rizzari, Ashley J. Frisch, Sean R. Connolly ABSTRACT: On coral reefs, diver-surveys of shark abundance indicate that populations are severely depleted, even in no-take zones with low-levels of illegal fishing, but are protected by strictly enforced no-entry zones.
Feeding Habits, Daily Ration, and Potential Predatory Impact of Spiny Dogfish in North Carolina
Published online on 27. May 2014 Feeding Habits, Daily Ration, and Potential Predatory Impact of Mature Female Spiny Dogfish in North Carolina Coastal Waters Charles W. Bangley, Roger A. Rulifson ABSTRACT: Though the feeding habits of Spiny Dogfish Squalus acanthias in the northwestern Atlantic Ocean have received much attention due to their potential interactions with
Occurrence of the narrowmouth catshark in southern Brazil
Published online on 19. May 2014 Occurrence of the narrowmouth catshark Schroederichthys bivius (Chondrichthyes: Scyliorhinidae) in southern Brazil Hugo Bornatowski, Lilyane Santos, Maurício De Castro Robert, Pedro Amadeus Weiser ABSTRACT: This paper reports the first record of the narrowmouth catshark Schroederichthys bivius from the coast of Paraná State, southern Brazil, increasing its distribution along the
Illegal trade of aquatic species in the Philippines detected by DNA barcoding
Published in May 2014 Illegal trade of regulated and protected aquatic species in the Philippines detected by DNA barcoding. Asis AM, Lacsamana JK, Santos MD ABSTRACT: Illegal trade has greatly affected marine fish stocks, decreasing fish populations worldwide. Despite having a number of aquatic species being regulated, illegal trade still persists through the transport of
Distribution and Dynamic Habitat Use of Young Bull Sharks in a Highly Stratified Northern Gulf of Mexico Estuary
Published on 19. May 2014 Distribution and Dynamic Habitat Use of Young Bull Sharks Carcharhinus leucas in a Highly Stratified Northern Gulf of Mexico Estuary J. Marcus Drymon, Matthew J. Ajemian, Sean P. Powers ABSTRACT: Understanding how animals alter habitat use in response to changing abiotic conditions is important for effective conservation management. For bull
The dentition of the narrownose smooth-hound shark
Published online on 19. May 2014 The dentition of the narrownose smooth-hound shark, Mustelus schmitti Mauro Belleggia, Daniel E. Figueroa and Claudia Bremec ABSTRACT: The present study provides a quantitative and qualitative analysis on the dentition of Mustelus schmitti, and estimates the tooth-replacement rate. In total, 47 males and 56 females of M. schmitti were
Genetic structure of populations of whale sharks among ocean basins
Published online on 14. May 2014 Genetic structure of populations of whale sharks among ocean basins and evidence for their historic rise and recent decline Vignaud, T. M., Maynard, J. A., Leblois, R., Meekan, M. G., Vázquez-Juárez, R., Ramírez-Macías, D., Pierce, S. J., Rowat, D., Berumen, M. L., Beeravolu, C., Baksay, S. and Planes, S.
Big catch, little sharks: Insight into Peruvian small-scale longline fisheries
Published online on 14. May 2014 Big catch, little sharks: Insight into Peruvian small-scale longline fisheries Doherty, P. D., Alfaro-Shigueto, J., Hodgson, D. J., Mangel, J. C., Witt, M. J. & Godley, B. J. ABSTRACT: Shark take, driven by vast demand for meat and fins, is increasing. We set out to gain insights into the
Fatal attack by a juvenile tiger shark on a kitesurfer in New Caledonia
Published online on 30. April 2014 Fatal attack by a juvenile tiger shark, Galeocerdo cuvier, on a kitesurfer in New Caledonia (South Pacific) Eric Clua, Pierre-Marie Bescond, Dennis Reid ABSTRACT: We present a case of a non-provoked fatal shark attack on a 15-year old male kitesurfer in New Caledonia. The victim lost his board and
New occurrence of big eye thresher shark in Gulf of Mannar, southeast coast of India
Published in May 2014 New occurrence of big eye thresher shark Alopias superciliosus lowe, 1841 in Gulf of Mannar, southeast coast of India Gowthaman A M, Jawahar P, Venkataramani V K The big eye thresher Alopias superciliosus Lowe, 1841 is a pelagic subtropical species with a circumtropical distribution. Its occurrence in India has been reported
Revisiting the Role of Large Food-Falls ( Whale Shark and Mobulid Rays )
Published on 07. May 2014 Fish Food in the Deep Sea: Revisiting the Role of Large Food-Falls Nicholas D. Higgs, Andrew R. Gates, Daniel O. B. Jones ABSTRACT: The carcasses of large pelagic vertebrates that sink to the seafloor represent a bounty of food to the deep-sea benthos, but natural food-falls have been rarely observed.
Short- and long-term importance of small sharks in the diet of the rare deep-sea shark Dalatias licha
Published online on 13. May 2014 Short- and long-term importance of small sharks in the diet of the rare deep-sea shark Dalatias licha Joan Navarro, Lourdes López, Marta Coll, Claudio Barría, Raquel Sáez-Liante ABSTRACT: Knowing the trophic ecology of marine predators is essential to develop an understanding of their ecological role in ecosystems. Research conducted
Pectoral fin morphology of batoid fishes
Published online on 5. May 2014 Pectoral fin morphology of batoid fishes (Chondrichthyes: Batoidea): Explaining phylogenetic variation with geometric morphometrics Oliver Franklin, Colin Palmer, Gareth Dyke ABSTRACT: The diverse cartilaginous fish lineage, Batoidea (rays, skates, and allies), sister taxon to sharks, comprises a huge range of morphological diversity which to date remains unquantified and unexplained