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Restricted movements and mangrove dependency of the nervous shark
Published online on 14. July 2015 Restricted movements and mangrove dependency of the nervous shark Carcharhinus cautus in nearshore coastal waters L. Escalle, C. W. Speed, M. G. Meekan, W. T. White, R. C. Babcock, R. D. Pillans, C. Huveneers ABSTRACT: This study used a network of acoustic receivers deployed around a no-take zone in
Age and growth of the midwater crocodile shark Pseudocarcharias kamoharai
Published online on 14. July 2015 Age and growth of the midwater crocodile shark Pseudocarcharias kamoharai R. Lessa, H. A. Andrade, K. L. De Lima, F. M. Santana ABSTRACT: Age and growth were analysed on the basis of 372 vertebrae from specimens of the crocodile shark Pseudocarcharias kamoharai (66·0–122·0 cm, total length, LT) collected in the
Feeding habits of the speckled guitarfish Rhinobatos glaucostigma
Published online on 06. July 2015 Feeding habits of the speckled guitarfish Rhinobatos glaucostigma (Elasmobranchii: Rhinobatidae) R. E. Lara-Mendoza, J. F. Márquez-Farías, J. C. Román-Reyes ABSTRACT: The stomachs of 464 speckled guitarfish Rhinobatos glaucostigma were sampled from the south-eastern Gulf of California (GC) to determine diet composition. Numerical indices and prey-specific index of relative importance
Ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks
Published online on 13. July 2015 Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks Alwina Luebke, Joachim Enax, Kateryna Loza, Oleg Prymak, Peter Gaengler, Helge Fabritius, Dierk Raabe, Matthias Epple ABSTRACT: Teeth represent the hardest tissue in vertebrates and appear very early in their evolution
Public awareness of the economic potential and threats to sharks of a tropical oceanic archipelago in the western South Atlantic
Published online on 19. June 2015 Public awareness of the economic potential and threats to sharks of a tropical oceanic archipelago in the western South Atlantic Ricardo C. Garla, Renato H.A. Freitas, Janaina F. Calado, Gustavo B.C. Paterno, Adriana R. Carvalho ABSTRACT: Conservation actions for sharks are hampered partly by the negative beliefs and inaccurate
Sexual development and maturity scale for the angel shark Squatina squatina
Published online on 11. June 2015 Sexual development and maturity scale for the angel shark Squatina squatina (Elasmobranchii: Squatinidae), with comments on the adequacy of general maturity scales Filip Osaer, Krupskaya Narváez, José G. Pajuelo, José M. Lorenzo ABSTRACT: This paper contributes to the reproductive biology of the genus Squatina and aims to complement the
Standardized catch rate of cockfish, Callorhinchus callorynchus, in a bottom trawl fishery of Patagonia
Published Apr./June 2015 Standardized catch rate of cockfish, Callorhinchus callorynchus, in a bottom trawl fishery of Patagonia: Is it possible its use as a predictor of abundance trend? Juan F. Bernasconi, María Raquel Perier, Edgardo E. Di Giácomo ABSTRACT: The catch per unit of effort (CPUE) data of cockfish, Callorhinchus callorynchus, during 1986-2011 was evaluated