Global evaluation of shark sanctuaries

Published online on 10. November 2017 Global evaluation of shark sanctuaries Christine A.Ward-Paige, BorisWorm ABSTRACT: Due to well-documented declines in many shark populations there is increasing pressure to implement new management and rebuilding strategies at the national and international scale. Since 2009, fifteen coastal countries in the Atlantic, Indian and Pacific Oceans have opted to

Physical trade-offs shape the evolution of buoyancy control in sharks

Published on 08. November 2017 Physical trade-offs shape the evolution of buoyancy control in sharks Adrian C. Gleiss, Jean Potvin, Jeremy A. Goldbogen ABSTRACT: Buoyancy control is a fundamental aspect of aquatic life that has major implications for locomotor performance and ecological niche. Unlike terrestrial animals, the densities of aquatic animals are similar to the

France 3 Normandie: Basking shark beached in Le Havre

Stress, post-release mortality, and recovery of discarded deep-sea sharks

Published on 06. Nomber 2017 Stress, post-release mortality, and recovery of commonly discarded deep-sea sharks caught on longlines Brendan Talwar, Edward J. Brooks, John W. Mandelman, R. Dean Grubbs ABSTRACT: Bycatch interactions with deep-sea elasmobranchs are increasingly common and can lead to dramatic declines in abundance over short time scales. Sharks hooked in the deep

Contrasting evolutionary patterns in populations of demersal sharks

Published on 06. November 2017 Contrasting evolutionary patterns in populations of demersal sharks throughout the western Mediterranean Sergio Ramírez-Amaro, Antonia Picornell, Miguel Arenas, Jose A. Castro, Enric Massutí, M. M. Ramon, Bàrbara Terrasa ABSTRACT: The spotted catshark (Scyliorhinus canicula) and the blackmouth catshark (Galeus melastomus) are demersal sharks showing a distinct bathymetric distribution in the