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Whale shark regional research collaboration between Utila and Isla Mujeres
Published on 30. November 2013 Whale shark regional research collaboration between Utila, Honduras and Isla Mujeres, México. Beatriz Eugenia Galvan, Steve Fox, Rafael de la Parra ABSTRACT : Background. Utila, Bay Islands, Honduras, is one of the few locations in the Western Hemisphere where whale sharks can be spotted year-round, while off the northeastern Yucatan
Whale shark behaviors observed in northeastern Quintana Roo, Mexico
Published on 30. November 2013 Whale shark behaviors observed in northeastern Quintana Roo, Mexico. Rafael de la Parra, Alistair D.M. Dove, Beatriz Galván ABSTRACT : Background: Whale shark feeding aggregations in northeastern Quintana Roo (Yucatan Peninsula) between May and September are a natural phenomenon well known to local people for decades. Since 2001 we have
Developing conservation measures for the seasonal whale shark feeding aggregation in Seychelles
Published on 27. November 2013 Developing appropriate conservation measures for the seasonal whale shark feeding aggregation in Seychelles using ecological modeling tools Georgia C.A. French, Joanna K Bluemel, David Rowat ABSTRACT: Background: The whale shark feeding aggregation in the Seychelles has been studied in detail since 2002, including aerial survey and collection of environmental data.
Insights into the effects of ecotourism on the behavior of whale sharks in Seychelles
Published on 19. November 2013 An aerial view: Insights into the effects of ecotourism on the behavior of whale sharks (Rhincodon typus) in Seychelles Joanna K. Bluemel, Georgia C.A. French, David Rowat ABSTRACT: Background: Worldwide, whale shark encounters are a highly sought ecotourism activity. Encounter Codes are implemented to help reduce anthropogenic disturbances. To assess
DNA Barcoding of Shark Meats from the Markets in Taiwan
Published on 18. November 2013 DNA Barcoding of Shark Meats Identify Species Composition and CITES-Listed Species from the Markets in Taiwan Shang-Yin Vanson Liu, Chia-Ling Carynn Chan, Oceana Lin, Chieh-Shen Hu, Chaolun Allen Chen ABSTRACT: Background An increasing awareness of the vulnerability of sharks to exploitation by shark finning has contributed to a growing concern
Maximum age and missing time in the vertebrae of sand tiger shark
Accepted on 08. October 2013 Maximum age and missing time in the vertebrae of sand tiger shark (Carcharias taurus): validated lifespan from bomb radiocarbon dating in the western North Atlantic and southwestern Indian Oceans Michelle Passerotti, Allen Andrews, John Carlson, Sabine Wintner, Kenneth Goldman, Lisa Natanson ABSTRACT : Bomb radiocarbon analysis of vertebral growth bands
First record of a bicephalic chondrichthyan found in Australian waters
Published online on 15. November 2013 First record of a bicephalic chondrichthyan found in Australian waters; the southern fiddler ray, Trygonorrhina dumerilii (Chondrichthyes: Rhinobatidae) Leonardo Guida, Terence I. Walker and Richard D. Reina ABSTRACT: We report the first documented case of bicephaly in a chondrichthyan, the southern fiddler ray, Trygonorrhina dumerilii, in Australian waters. Females
Regional connectivity of whale sharks demonstrated using photo-identification
Published on 13. November 2013 Regional connectivity of whale sharks demonstrated using photo-identification – Western Atlantic, 1999 – 2013 Jennifer McKinney, Eric R Hoffmayer, Jason Holmberg, Rachel Graham, Rafael de la Parra, Beatriz Galván Pastoriza, Steve Fox, Simon Pierce, Alistair D.M. Dove ABSTRACT: Background: Although whale sharks (Rhincodon typus) occur circum-globally, most studies focus on
Age and growth parameters for three heavily exploited shark species
Published online on 13. November 2013 Age and growth parameters for three heavily exploited shark species off temperate eastern Australia Pascal T. Geraghty, William G. Macbeth, Alastair V. Harry, Jacqueline E. Bell, Michelle N. Yerman, Jane E. Williamson ABSTRACT: The removal of large predatory sharks from the world’s oceans poses profound threats to marine community
Seasonal habitat use of whale sharks in the northern Gulf of Mexico
Published on 12. November 2013 Seasonal habitat use of whale sharks in the northern Gulf of Mexico, USA 2003 – 2013 Jennifer A McKinney, Eric R Hoffmayer, Jim S Franks, Jill M Hendon, William B Driggers ABSTRACT: Background: Reports of whale sharks (Rhincodon typus) in the northern Gulf of Mexico (GOM) date back to the
Trophic ecology of sharks in the mid-east pacific ocean
Published in November 2013 Trophic ecology of sharks in the mid-east pacific ocean inferred from stable isotopes Yunkai Li, Yi Gong, Xinjun Chen, Xiaojie Dai, Jiangfeng Zhu ABSTRACT: As apex predators, sharks are of ecological and conservation importance in marine ecosystems. In this study, trophic positions of sharks were estimated using stable isotope ratios of
Conservation of the Critically Endangered Eastern Australian Population of the Grey Nurse Shark
Published online on 09. November 2013 Conservation of the Critically Endangered Eastern Australian Population of the Grey Nurse Shark (Carcharias taurus) Through Cross-Jurisdictional Management of a Network of Marine-Protected Areas Tim P. Lynch, Robert Harcourt, Graham Edgar, Neville Barrett ABSTRACT : Between 2001 and 2009, 26 marine-protected areas (MPA) were established on the east Australian
Whale shark behavior at Georgia Aquarium
Published on 01. November 2013 Whale shark (Rhincodon typus) behavior: A multi-year analysis of individuals at Georgia Aquarium Michael P Black, Matthew Grober, Christian Schreiber, Chris Coco, Alistair Dove ABSTRACT : Background. From the coastal seas near Taiwan to the 6.3 million gallon Ocean Voyager habitat at Georgia Aquarium in Atlanta, Georgia, whale sharks, Rhincodon
Cretaceous stem chondrichthyans survived the end-Permian mass extinction
Published on 29. October 2013 Cretaceous stem chondrichthyans survived the end-Permian mass extinction Guillaume Guinot, Sylvain Adnet, Lionel Cavin, Henri Cappetta ABSTRACT: Cladodontomorph sharks are Palaeozoic stem chondrichthyans thought to go extinct at the end-Permian mass extinction. This extinction preceded the diversification of euselachians, including modern sharks. Here we describe an outer-platform cladodontomorph shark tooth
Biological data on the Smoothtooth Blacktip Shark from the Persian Gulf and Arabian Sea
Published online on 28. October 2013 New biological data on the rare, threatened shark Carcharhinus leiodon (Carcharhinidae) from the Persian Gulf and Arabian Sea Alec B. M. Moore, Dareen Almojil, Mark Harris, Rima W. Jabado and William T. White ABSTRACT: New biological data relevant to the conservation of the rare and threatened shark Carcharhinus leiodon