Scientific Papers

Population Genetics and Relatedness of the Broadnose Sevengill Shark in Two Northeast Pacific Estuaries

Population Genetics and Relatedness of the Broadnose Sevengill Shark in Two Northeast Pacific Estuaries

Published on 08. June 2015 Preliminary Observations of Population Genetics and Relatedness of the Broadnose Sevengill Shark, Notorynchus cepedianus, in Two Northeast Pacific Estuaries Shawn Larson, Debbie Farrer, Dayv Lowry, David A. Ebert ABSTRACT: The broadnose sevengill shark, Notorynchus cepedianus, a common coastal species in the eastern North Pacific, was sampled during routine capture and

A Gigantic Shark from the Lower Cretaceous Duck Creek Formation of Texas

A Gigantic Shark from the Lower Cretaceous Duck Creek Formation of Texas

Published on 03. June 2015 A Gigantic Shark from the Lower Cretaceous Duck Creek Formation of Texas Joseph A. Frederickson , Scott N. Schaefer, Janessa A. Doucette-Frederickson ABSTRACT: Three large lamniform shark vertebrae are described from the Lower Cretaceous of Texas. We interpret these fossils as belonging to a single individual with a calculated total

Mitochondrial Genetic Structure and Matrilineal Origin of White Sharks in the Northeastern Pacific

Mitochondrial Genetic Structure and Matrilineal Origin of White Sharks in the Northeastern Pacific

Published online on 01. June 2015 Mitochondrial Genetic Structure and Matrilineal Origin of White Sharks, Carcharodon carcharias, in the Northeastern Pacific: Implications for Their Conservation Erick C. Oñate-González, Axayácatl Rocha-Olivares, Nancy C. Saavedra-Sotelo, Oscar Sosa-Nishizaki ABSTRACT: White sharks (Carcharodon carcharias, WS henceforth) are globally and regionally threatened. Understanding their patterns of abundance and connectivity, as

Organochlorine contaminants and maternal offloading in the lecithotrophic Pacific angel shark

Organochlorine contaminants and maternal offloading in the lecithotrophic Pacific angel shark

Published online on 15. May 2015 Organochlorine contaminants and maternal offloading in the lecithotrophic Pacific angel shark (Squatina californica) collected from southern California Kady Lyons, Christopher G. Lowe ABSTRACT: Pacific angel sharks (Squatina californica) are a benthic elasmobranch that occupy intermediate trophic level positions in coastal food webs. Angel sharks’ life history characteristics make them

A Study of Shark Stealth Behavior in the Proximity of Divers

A Study of Shark Stealth Behavior in the Proximity of Divers

Published on 04. May 2015 A Study of Shark Stealth Behavior in the Proximity of Divers Erich Ritter, Raid Amin ABSTRACT: This study examines the approach patterns of sharks in the vicinity of human divers, focusing on the diver’s body orientation and a shark’s distance from the sea bed when approaching the diver. A standardized

Polybrominated diphenyl ethers in thirteen shark species from offshore and coastal waters of Korea

Polybrominated diphenyl ethers in thirteen shark species from offshore and coastal waters of Korea

Published online on 29. April 2015 Polybrominated diphenyl ethers in thirteen shark species from offshore and coastal waters of Korea Hyun-Kyung Lee, Sang-Jo Kim, Yunsun Jeong, Sunggyu Lee, Woochang Jeong, Won-Chan Lee, Eun-Jung Choy, Chang-Keun Kang, Hyo-Bang Moon ABSTRACT: Limited reports are available on polybrominated diphenyl ethers (PBDEs) in sharks. In this study, PBDEs were

Feeding ecology of common demersal elasmobranch species in the Pacific coast of Costa Rica

Feeding ecology of common demersal elasmobranch species in the Pacific coast of Costa Rica

Published online on 15. May 2015 Feeding ecology of common demersal elasmobranch species in the Pacific coast of Costa Rica inferred from stable isotope and stomach content analyses Mario Espinoza, Samantha E.M. Munroe, Tayler M. Clarke, Aaron T. Fisk, Ingo S. Wehrtmann ABSTRACT: Knowledge of the feeding ecology and trophic interactions of marine species is

New chondrichthyans from Bartonian-Priabonian levels of Río de Las Minas and Sierra Dorotea, Magallanes Basin, Chilean Patagonia

New chondrichthyans from Bartonian-Priabonian levels of Río de Las Minas and Sierra Dorotea, Magallanes Basin, Chilean Patagonia

Published in May 2015 New chondrichthyans from Bartonian-Priabonian levels of Río de Las Minas and Sierra Dorotea, Magallanes Basin, Chilean Patagonia Rodrigo A. Otero, Sergio Soto-Acuña ABSTRACT: Here we studied new fossil chondrichthyans from two localities, Río de Las Minas, and Sierra Dorotea, both in the Magallanes Region, southernmost Chile. In Río de Las Minas,

Annotated checklist of the sharks, batoids and chimaeras from waters of Russia and adjacent areas

Annotated checklist of the sharks, batoids and chimaeras from waters of Russia and adjacent areas

Published in 2015 Annotated checklist of the sharks, batoids and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali) from waters of Russia and adjacent areas Yury V. Dyldin ABSTRACT: This is the first comprehensive list of sharks, batoids (rays and skates) and chimaeras recorded from the waters of Russia and adjacent territories. This includes scientific names, common names (English,

Movement patterns of silvertip sharks on coral reefs

Movement patterns of silvertip sharks on coral reefs

Published on 29. May 2015 Movement patterns of silvertip sharks (Carcharhinus albimarginatus ) on coral reefs Mario Espinoza, Michelle. R. Heupel, Andrew J. Tobin, Colin A. Simpfendorfer ABSTRACT: Understanding how sharks use coral reefs is essential for assessing risk of exposure to fisheries, habitat loss, and climate change. Despite a wide Indo-Pacific distribution, little is

Habitat selection of a coastal shark species estimated from an autonomous underwater vehicle

Habitat selection of a coastal shark species estimated from an autonomous underwater vehicle

Published online on 28. May 2015 Habitat selection of a coastal shark species estimated from an autonomous underwater vehicle D. E. Haulsee, M. W. Breece, D. C. Miller, B. M. Wetherbee, D. A. Fox, M. J. Oliver ABSTRACT: Quantifying habitat selection in marine organisms is challenging because it is difficult to obtain species location information

First Shark from the Late Devonian Gogo Formation Sheds New Light on the Development of Tessellated Calcified Cartilage

First Shark from the Late Devonian Gogo Formation Sheds New Light on the Development of Tessellated Calcified Cartilage

Published on 28. May 2015 First Shark from the Late Devonian (Frasnian) Gogo Formation, Western Australia Sheds New Light on the Development of Tessellated Calcified Cartilage John A. Long, Carole J. Burrow, Michal Ginter, John G. Maisey, Kate M. Trinajstic, Michael I. Coates, Gavin C. Young, Tim J. Senden ABSTRACT: Background Living gnathostomes (jawed vertebrates)

On an old case of adult Mediterranean monk seal predation by white shark in Balearic Islands, Spain

On an old case of adult Mediterranean monk seal predation by white shark in Balearic Islands, Spain

Published online on 13. May 2015 On an old case of adult Mediterranean monk seal Monachus monachus (Hermann, 1779) predation by white shark, Carcharodon carcharias (Linnaeus, 1758) in Balearic Islands, Spain Juan A. Pujol ABSTRACT: In 1906, a white shark (Carcharodon carcharias) was accidental trapped in Ciutadella (Balearic Islands). In its stomach was found an

Life history and ecology of a large shortfin mako shark captured in southern California

Life history and ecology of a large shortfin mako shark captured in southern California

Published on 21. May 2015 Insights into the life history and ecology of a large shortfin mako shark Isurus oxyrinchus captured in southern California K. Lyons, A. Preti, D. J. Madigan, R. J. D. Wells, M. E. Blasiu1, O. E. Snodgrass, D. Kacev, J. D. Harris, H. Dewar, S. Kohin, K. MacKenzie, C. G. Lowe

Population genetics of four heavily exploited shark species around the Arabian Peninsula

Population genetics of four heavily exploited shark species around the Arabian Peninsula

Published on 20. May 2015 Population genetics of four heavily exploited shark species around the Arabian Peninsula Julia L. Y. Spaet, Rima W. Jabado, Aaron C. Henderson, Alec B. M. Moore, Michael L. Berumen ABSTRACT: The northwestern Indian Ocean harbors a number of larger marine vertebrate taxa that warrant the investigation of genetic population structure