Scientific Papers

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Spatial Segregation in Eastern North Pacific Skate Assemblages

Spatial Segregation in Eastern North Pacific Skate Assemblages

Published on 20. October 2014 Spatial Segregation in Eastern North Pacific Skate Assemblages Joseph J. Bizzarro, Kristin M. Broms, Miles G. Logsdon, David A. Ebert, Mary M. Yoklavich, Linda A. Kuhnz, Adam P. Summers ABSTRACT: Skates (Rajiformes: Rajoidei) are common mesopredators in marine benthic communities. The spatial associations of individual species and the structure of

Onset of Buccal Pumping in Catshark Embryos

Onset of Buccal Pumping in Catshark Embryos

Published on 20. October 2014 Onset of Buccal Pumping in Catshark Embryos: How Breathing Develops in the Egg Capsule Taketeru Tomita, Masaru Nakamura, Keiichi Sato, Hiroko Takaoka, Minoru Toda, Junro Kawauchi, Kazuhiro Nakaya ABSTRACT: Respiration in fishes involves buccal pumping, which is characterized by the generation of nearly continuous water flow over the gills because

A product of its environment: the epaulette shark exhibits physiological tolerance to elevated environmental CO2

A product of its environment: the epaulette shark exhibits physiological tolerance to elevated environmental CO2

Accepted on 14. September 2014 A product of its environment: the epaulette shark (Hemiscyllium ocellatum) exhibits physiological tolerance to elevated environmental CO2 Dennis D. U. Heinrich, Jodie L. Rummer, Andrea J. Morash, Sue-Ann Watson, Colin A. Simpfendorfer, Michelle R. Heupel, Philip L. Munday ABSTRACT: Ocean acidification, resulting from increasing anthropogenic CO2 emissions, is predicted to

Evidence of Pacific sleeper shark predation on Steller sea lions in the Gulf of Alaska

Evidence of Pacific sleeper shark predation on Steller sea lions in the Gulf of Alaska

Manuscript accepted on 21. August 2014 In cold blood: evidence of Pacific sleeper shark (Somniosus pacificus) predation on Steller sea lions (Eumetopias jubatus) in the Gulf of Alaska Markus Horning, Jo-Ann E. Mellish ABSTRACT: Temperature data received post mortem in 2008–13 from 15 of 36 juvenile Steller sea lions (Eumetopias jubatus) that had been surgically

Notes on female reproductive biology and embryos of the brown guitarfish from Taiwan

Notes on female reproductive biology and embryos of the brown guitarfish from Taiwan

Published online on 10. October 2014 Notes on female reproductive biology and embryos of the brown guitarfish Rhinobatos schlegelii from the Penghu Islands, Taiwan Vera Schluessel, Jenny Giles, Peter M. Kyne ABSTRACT: Litter size and details of the reproductive biology of female brown guitarfish Rhinobatos schlegelii from the Penghu Islands, Taiwan, are provided for the

Residency Patterns and Migration Dynamics of Adult Bull Sharks in Southern Africa

Residency Patterns and Migration Dynamics of Adult Bull Sharks in Southern Africa

Published online on 08. October 2014 Residency Patterns and Migration Dynamics of Adult Bull Sharks (Carcharhinus leucas) on the East Coast of Southern Africa Ryan Daly, Malcolm J. Smale, Paul D. Cowley, Pierre W. Froneman ABSTRACT: Bull sharks (Carcharhinus leucas) are globally distributed top predators that play an important ecological role within coastal marine communities.

Contemporary population structure and post-glacial genetic demography in the blacknose shark

Contemporary population structure and post-glacial genetic demography in the blacknose shark

Published online on 08. October 2014 Contemporary population structure and post-glacial genetic demography in a migratory marine species, the blacknose shark, Carcharhinus acronotus D.S. Portnoy, C.M. Hollenbeck, C.N. Belcher, W.B. Driggers III, B.S. Frazier, J. Gelsleichter, R.D. Grubbs, J.R. Gold ABSTRACT: Patterns of population structure and historical genetic demography of blacknose sharks in the western

Rhinobatos whitei, a new shovelnose ray from the Philippine Archipelago

Rhinobatos whitei, a new shovelnose ray from the Philippine Archipelago

Published online on 07. October 2014 Rhinobatos whitei, a new shovelnose ray (Batoidea: Rhinobatidae) from the Philippine Archipelago Peter R. Last, Shannon Corrigan, Gavin Naylor ABSTRACT: A new shovelnose ray, Rhinobatos whitei sp. nov., is described from material collected at fish markets of the southern Philippines. This ray was first formally indentified as an undescribed

Occurrence of the Megatoothed sharks in Alabama, USA

Occurrence of the Megatoothed sharks in Alabama, USA

Published on 29. September 2014 Occurrence of the Megatoothed sharks (Lamniformes:Otodontidae) in Alabama, USA Dana J Ehret​, Jun A. Ebersole ABSTRACT: The Otodontidae include some of the largest sharks to ever live in the world’s oceans (i.e. Carcharocles megalodon). Here we report on Paleocene and Eocene occurrences of Otodus obliquus and Carcharocles auriculatus from Alabama,

Shark personalities? Repeatability of social network traits in a widely distributed predatory fish

Shark personalities? Repeatability of social network traits in a widely distributed predatory fish

Published on 02. October 2014 Shark personalities? Repeatability of social network traits in a widely distributed predatory fish David M. P. Jacoby, Lauren N. Fear, David W. Sims, Darren P. Croft ABSTRACT: Interest in animal personalities has generated a burgeoning literature on repeatability in individual traits such as boldness or exploration through time or across

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