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A re-examination of the growth of the gummy shark from Queensland
A re-examination of the growth of the gummy shark (Mustelus antarcticus) from Queensland, Australia Matthew J. Campbell, Cassandra L. Rigby ABSTRACT: The gummy shark (Mustelus antarcticus) is endemic to Australia and is the target of commercial fisheries in southern Australia. However, the Queensland population is subjected to low levels of fishing mortality. The present study
Microstructure of the Bonnethead Shark Olfactory Rosette
Microstructure of the Bonnethead Shark (Sphyrna tiburo) Olfactory Rosette Lauren E Simonitis, Christopher D Marshall ABSTRACT: The unusual shape of sphyrnid (hammerhead shark) heads has led to many functional hypotheses of potential sensory advantages and enhanced olfactory performance. Recent investigations into the flow of water within the sphyrnid olfactory chamber demonstrate that this complex structure
Understanding shark-related cognitive vulnerability and its role in shark diving
Understanding shark-related cognitive vulnerability and its role in shark diving: implications for conservation Xiaodi Yan, Maria Knight Lapinski, Meredith Gore, Lindsay Neuberger, Kate Grayson-Sneed ABSTRACT: Negative perceptions and vulnerable feelings about sharks have been one of the greatest barriers to effective shark conservation efforts. This study used a self-report survey of young adults in a
The evolution and development of shark denticles
Teeth outside the mouth: the evolution and development of shark denticles Rory L. Cooper, Ella F. Nicklin, Liam J. Rasch, Gareth J. Fraser ABSTRACT: Vertebrate skin appendages are incredibly diverse. This diversity, which includes structures such as scales, feathers, and hair, likely evolved from a shared anatomical placode, suggesting broad conservation of the early development
First report of a sleeper shark in the western Caribbean
First report of a sleeper shark (Somniosus sp.) in the western Caribbean, off the insular slope of a coral atoll Devanshi Kasana, Hector Daniel Martinez, Omar Faux, Neri Monzon, Elio Guerra, Demian D. Chapman ABSTRACT: A sleeper shark (Somniosus sp.) was captured over the insular slope at Glover’s Reef, a coral atoll in Belize. The
Distribution and population structure of the smooth-hound shark across the Canarian archipelago
Distribution and population structure of the smooth-hound shark, Mustelus mustelus (Linnaeus, 1758), across an oceanic archipelago: Combining several data sources to promote conservation Fernando Espino, José Antonio González, Néstor E Bosch, Francisco J Otero-Ferrer, Ricardo Haroun, Fernando Tuya ABSTRACT: Sharks play a key role in the structure and functioning of marine ecosystems. More ecological information
Seasonal habitat use and residency of scalloped hammerhead and Galapagos sharks off Japan
First descriptions of the seasonal habitat use and residency of scalloped hammerhead (Sphyrna lewini) and Galapagos sharks (Carcharhinus galapagensis) at a coastal seamount off Japan David M. P. Jacoby, Yuuki Y. Watanabe, Tre Packard, Mark Healey, Yannis P. Papastamatiou, Austin J. Gallagher ABSTRACT: BackgroundThe Northwestern Pacific is a data-poor region for studies into the movements