Scientific Papers

Baited remote underwater video system (BRUVs) survey of chondrichthyan diversity in False Bay, South Africa

Baited remote underwater video system (BRUVs) survey of chondrichthyan diversity in False Bay, South Africa

Published online on 24. July 2015 Baited remote underwater video system (BRUVs) survey of chondrichthyan diversity in False Bay, South Africa L De Vos, RGA Watson, A Götz, CG Attwood ABSTRACT: Global declines in chondrichthyan populations necessitate evidence‑based planning for their conservation. False Bay, in south‑west South Africa, has a high diversity of marine biota,

Seasonal variability of bull and tiger shark presence on the west coast of Reunion Island, western Indian Ocean

Seasonal variability of bull and tiger shark presence on the west coast of Reunion Island, western Indian Ocean

Published online on 24. July 2015 Seasonal variability of bull and tiger shark presence on the west coast of Reunion Island, western Indian Ocean A Blaison, S Jaquemet, D Guyomarc, G Vangrevelynghe, T Gazzo, G Cliff, P Cotel, M Soria ABSTRACT: A fisheries‑independent survey using longlines and drumlines, and an acoustic telemetry study, revealed that

Incorporating stable isotopes into a multidisciplinary framework to improve data inference and their conservation and management application

Incorporating stable isotopes into a multidisciplinary framework to improve data inference and their conservation and management application

Published online on 24. July 2015 Incorporating stable isotopes into a multidisciplinary framework to improve data inference and their conservation and management application HM Christiansen, AT Fisk, NE Hussey ABSTRACT: Through its ability to address complex ecological questions and the possibility of analysing large sample sizes to understand population‑level processes, the use of stable isotope

Age and growth of the common blacktip shark from Indonesia

Age and growth of the common blacktip shark from Indonesia

Published online on 24. July 2015 Age and growth of the common blacktip shark Carcharhinus limbatus from Indonesia, incorporating an improved approach to comparing regional population growth rates JJ Smart, A Chin, AJ Tobin, CA Simpfendorfer, WT White ABSTRACT: Age and growth estimates from length‑at‑age data were produced for the common blacktip shark Carcharhinus limbatus

Sexual dimorphism based on body proportions and ontogenetic changes in the Brazilian electric ray

Sexual dimorphism based on body proportions and ontogenetic changes in the Brazilian electric ray

Published online on 24. July 2015 Sexual dimorphism based on body proportions and ontogenetic changes in the Brazilian electric ray Narcine brasiliensis (von Olfers, 1831) (Chondrichthyes: Narcinidae) FA Rolim, FP Caltabellotta, MM Rotundo, T Vaske-Júnior ABSTRACT: Sexual dimorphism in the Brazilian electric ray Narcine brasiliensis from the south‑western Atlantic coast was evaluated based on body

Redescription of Hydrolagus africanus, with a review of southern African chimaeroids and a key to their identification

Redescription of Hydrolagus africanus, with a review of southern African chimaeroids and a key to their identification

Published online on 24. July 2015 Redescription of Hydrolagus africanus (Gilchrist, 1922) (Chimaeriformes: Chimaeridae), with a review of southern African chimaeroids and a key to their identification KA Walovich, DA Ebert, DJ Long, DA Didier ABSTRACT: Hydrolagus africanus (Gilchrist, 1922) is a little‑known chimaeroid species, originally described from the KwaZulu‑ Natal coast of South Africa,

Beyond Jaws: rediscovering the ‘lost sharks’ of southern Africa

Beyond Jaws: rediscovering the ‘lost sharks’ of southern Africa

Published online on 24. July 2015 Beyond Jaws: rediscovering the ‘lost sharks’ of southern Africa DA Ebert, KE van Hees ABSTRACT: Southern Africa has one of the richest and most diverse chondrichthyan faunas in the world, comprising all 13 orders, 49 families, 111 genera and approximately 204 species. This represents nearly 20% of all known

The evolution of chondrichthyan research through a metadata analysis of dedicated international conferences between 1991 and 2014

The evolution of chondrichthyan research through a metadata analysis of dedicated international conferences between 1991 and 2014

Published online on 24. July 2015 The evolution of chondrichthyan research through a metadata analysis of dedicated international conferences between 1991 and 2014 C Huveneers, DA Ebert, SFJ Dudley ABSTRACT: Science is continually evolving, with recent developments in some fields, such as conservation biology, leading to shifts in priorities and needs. Recent international conferences focused

Aetomylaeus caeruleofasciatus, a new species of eagle ray from northern Australia and New Guinea

Aetomylaeus caeruleofasciatus, a new species of eagle ray from northern Australia and New Guinea

Published on 23. July 2015 Aetomylaeus caeruleofasciatus , a new species of eagle ray (Myliobatiformes: Myliobatidae) from northern Australia and New Guinea William T. White, Peter R. Last, Leontine Baje ABSTRACT: A new species of eagle ray, Aetomylaeus caeruleofasciatus sp. nov., is described based on specimens collected in northern Australia and southern Papua New Guinea.

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

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

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