Publications

FAO Report: State of the global market for shark products

FAO Report: State of the global market for shark products

State of the global market for shark products Authors: Felix Dent, Shelley Clarke Year of publication: 2015 Publisher: FAO ABSTRACT: This publication is intended to complement and inform the International Plan of Action for the Conservation and Management of Sharks, developed in 1998 to address concerns over possible negative effects of increased shark catches on

How the movement characteristics of large marine predators influence estimates of their abundance

How the movement characteristics of large marine predators influence estimates of their abundance

Published online on 18. July 2015 How the movement characteristics of large marine predators influence estimates of their abundance Fabio Boschetti, Mathew A. Vanderklift ABSTRACT: Understanding animal movement provides information that helps design effective conservation initiatives. We intuitively understand that the way animals move at large scales determines the extent of their home range and

Microsatellite loci confirm a lack of population connectivity among globally distributed populations of the tope shark

Microsatellite loci confirm a lack of population connectivity among globally distributed populations of the tope shark

Published online on 15. July 2015 Microsatellite loci confirm a lack of population connectivity among globally distributed populations of the tope shark Galeorhinus galeus (Triakidae) C. L. Chabot ABSTRACT: This study used 11 polymorphic nuclear microsatellite loci to determine the population connectivity of five geographically isolated populations of tope shark Galeorhinus galeus (Africa, Australia, North

Report: Spurdog Bycatch Data in the North Minch Fishery, Scotland

Report: Spurdog Bycatch Data in the North Minch Fishery, Scotland

Fox, C. (2015) Collection of bycatch data for spurdog (Squalus acanthias) in the North Minch fishery: Report of Fishing Industry Science Alliance (FISA) Project 02/13 Report presenting new data on the levels of spurdog bycatch, locations of by-catch and biological information in terms of the sizes and sex of the fish caught in order to

The First Cenozoic Record of a Fossil Megamouth Shark from Asia

The First Cenozoic Record of a Fossil Megamouth Shark from Asia

Published in July 2015 The First Cenozoic Record of a Fossil Megamouth Shark (Lamniformes, Megachasmidae) from Asia Taketeru Tomita, Kiyoko Yokoyama ABSTRACT: The megamouth shark (Lamniformes, Megachasmidae) is one of four extant planktivorous elasmobranch lineages, but its fossil record is quite limited. In the present study, we report a new discovery of a rare megachasmid

Novel method for shark age estimation using near infrared spectroscopy

Novel method for shark age estimation using near infrared spectroscopy

Published online on 21. July 2015 Novel method for shark age estimation using near infrared spectroscopy C. L. Rigby, B. B. Wedding, S. Grauf, C. A. Simpfendorfer ABSTRACT: Accurate age determination is an important component of assessing and managing fish populations, yet traditional ageing using growth bands is time-consuming and has limitations. In the present

Presentation: UK Project on Spurdog and the Landing Obligation

Presentation: UK Project on Spurdog and the Landing Obligation

PowerPoint Presentation: Aligning Spurdog Management with the Landing Obligation under the reformed Common Fisheries Policy NWWAC, Edinburgh, 7th July 2015 PDF – DOWNLOAD  

Vertical and horizontal movements of a silvertip shark in the Fijian archipelago

Vertical and horizontal movements of a silvertip shark in the Fijian archipelago

Published on 14. July 2015 Vertical and horizontal movements of a silvertip shark (Carcharhinus albimarginatus) in the Fijian archipelago Mark E Bond, Emily Tolentino, Sangeeta Mangubhai, Lucy A Howey ABSTRACT: Background Despite widespread distribution and occurrence in the global shark fin trade, information regarding fundamental biology of the silvertip shark, especially vertical and horizontal movement

The Role of Olfactory Cues in the Homing Behavior of Blacktip Sharks

The Role of Olfactory Cues in the Homing Behavior of Blacktip Sharks

Published online on 13. July 2015 Smells Like Home: The Role of Olfactory Cues in the Homing Behavior of Blacktip Sharks, Carcharhinus limbatus Jayne M. Gardiner, Nicholas M. Whitney, Robert E. Hueter ABSTRACT: Animal navigation in the marine environment is believed to be guided by different sensory cues over different spatial scales. Geomagnetic cues are

Restricted movements and mangrove dependency of the nervous shark

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

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

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

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

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

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