Scientific Papers

Stomach Contents of Mako Sharks caught off Brazil

Stomach Contents of Mako Sharks caught off Brazil

Stomach contents analysis of shortfin mako (Isurus oxyrinchus) caught off southern Brazil: A Bayesian analysis. Gorni, G.R., Loibel, S., Goitein, R. and Amorim, A.F. SUMMARY: This study proposes to ascertain the importance of each alimentary category in the Isurus oxyrinchus diet composition, as well, to reinforce the use of the Bayesian approach for analysis of

First record of a whale shark in continental Europe

First record of a whale shark in continental Europe

Published online on 13. August 2012 First record of a whale shark Rhincodon typus in continental Europe Rodrigues, N. V., Correia, J. P. S., Graça, J. T. C., Rodrigues, F., Pinho, R. and Hirofumi, M. ABSTRACT: A whale shark Rhincodon typus was found in a set-net in southern Portugal in October 2011. This was the

Reproductive Ecology of two sympatric Blacktip sharks in Australia

Reproductive Ecology of two sympatric Blacktip sharks in Australia

Published online on 15. August 2012 Comparison of the reproductive ecology of two sympatric blacktip sharks (Carcharhinus limbatus and Carcharhinus tilstoni) off north-eastern Australia with species identification inferred from vertebral counts Harry, A. V., Morgan, J. A. T., Ovenden, J. R., Tobin, A. J., Welch, D. J. and Simpfendorfer, C. A. ABSTRACT: Precaudal vertebral counts

Reproductive biology of the smooth butterfly ray

Reproductive biology of the smooth butterfly ray

Published online on  15. August 2012 Reproductive biology of the smooth butterfly ray Gymnura micrura Yokota, L., Goitein, R., Gianeti, M. D. and Lessa, R. T. P. ABSTRACT: This study provides the first detailed information on the reproductive biology of the smooth butterfly ray Gymnura micrura. A total of 905 individuals were sampled, 377 of

Growth Rates of the Port Jackson shark in Southern Australia

Growth Rates of the Port Jackson shark in Southern Australia

Published online on 01. August 2012 Comparative rates of growth of the Port Jackson shark throughout its southern Australian range Christopher Izzo and Kate R. Rodda ABSTRACT: Port Jackson sharks are distributed throughout southern Australia, with evidence suggesting that potential subpopulations exist. If subpopulations are evident, then phenotypic variation among groups should result in differences

Heavy Infection of the Round Ribbontail Ray with Marine Leech

Heavy Infection of the Round Ribbontail Ray with Marine Leech

Published in July 2012 Heavy Infection of the Round Ribbontail Ray Taeniura meyeni with Stibarobdella macrothela (Annelida: Hirudinida: Piscicolidae) Takeo Yamauchi and Yuzo Ota ABSTRACT: Thirty-three juveniles of the piscicolid leech Stibarobdella macrothela were found infecting a round ribbontail ray, Taeniura meyeni, from Micronesia. Taeniura meyeni is a new host for S. macrothela. The findings

Comparison of the diets of sympatric pelagic sharks off southern Australia

Comparison of the diets of sympatric pelagic sharks off southern Australia

Published online on 24. July 2012 A quantitative comparison of the diets of sympatric pelagic sharks in gulf and shelf ecosystems off southern Australia Rogers, P.J., Huveneers, C., Page, B., Hamer, D. J., Goldsworthy, S. D., Mitchell, J. G., and Seuront, L. ABSTRACT: Predator–prey dynamics represent an important determinant in the functioning of marine ecosystems.

Shark bites and public attitudes

Shark bites and public attitudes

Published online on 20. July 2012 Short Communication Shark bites and public attitudes: Policy implications from the first before and after shark bite survey Christopher L. Neff, Jean Y.H. Yang ABSTRACT: Public feelings toward sharks are expected to grow negatively following shark bites on humans. Media and government responses are often predicated on this presumptive

Basking sharks in the northeast Atlantic

Basking sharks in the northeast Atlantic

Published online on 12. July 2012 Basking sharks in the northeast Atlantic: spatio-temporal trends from sightings in UK waters Witt MJ, Hardy T, Johnson L, McClellan CM et al. ABSTRACT: Basking sharks Cetorhinus maximus have undergone widespread historic exploitation in the northeast Atlantic and are of conservation concern. A greater knowledge of their spatial and

Marine park with whale shark and adjacent to sardine fishery

Marine park with whale shark and adjacent to sardine fishery

Published online in July 2012 Marine park with whale shark and adjacent to sardine fishery Victor S. Soliman, Raul B. Burce ABSTRACT: The aim of balance between conservation and capture fishery is understood yet elusive. In a coastal town in the Philippines, Donsol, considered the “whale shark capital of the world”, its coast also supports

Maldives Sharkwatch Report for 2009 – 2010

Maldives Sharkwatch Report for 2009 – 2010

Published online in July 2012 Maldives Sharkwatch Report for 2009 – 2010 Mohamed Ushan, Elizabeth Wood, Mariyam Saleem, Shahaama A. Sattar ABSTRACT: Sharks are top predators playing an important ecological role on coral reefs. Due to their slow growth, late maturity and low fecundity, many sharks are very vulnerable to over-exploitation. Historically fished in the

Survey on reef shark abundance in the Western Indian Ocean

Survey on reef shark abundance in the Western Indian Ocean

Published online in July 2012 Comparative abundance of reef sharks in the Western Indian Ocean Chris Clarke, James Lea and Rupert Ormond ABSTRACT: Surveys were conducted over a four year period to assess the abundance of sharks at various remote coral reefs in the Western Indian Ocean, including the Jeddah region of the Red Sea;

First documented record of the silky shark in Italian waters

First documented record of the silky shark in Italian waters

Published in June 2012 Record of Carcharhinus falciformis (Bibron in Müller & Henle, 1839), in Italian waters (Ligurian Sea, Northwestern Mediterranean) Garibaldi F. & Orsi Relini L. ABSTRACT: A specimen of the silky shark, Carcharhinus falciformis (Bibron in Müller & Henle, 1839), male, 209 cm TL, was caught off Sanremo, in the Ligurian Sea (Northwestern

An aberrant extra fin in the yellownose skate

An aberrant extra fin in the yellownose skate

Published in June 2012 An aberrant extra fin in Zearaja chilensis (Chondrichthyes: Rajidae) Deli Antoni M.Y., Delpiani G.E., Delpiani S.M., Mabragaña E. & Díaz de Astarloa J.M. ABSTRACT: The first case of an aberrant extra fin in a specimen of Zearaja chilensis (Guichenot, 1848), caught off Patagonian waters, Argentine Sea, is reported here. Cybium 2012,

Four new deep water skates from the southwest Pacific

Four new deep water skates from the southwest Pacific

Published in June 2012 New deep water skates of the genus Notoraja Ishiyama, 1958 (Rajoidei, Arhynchobatidae) from the southwest Pacific Bernard Séret and Peter R. Last ABSTRACT: Four new skates of the genus Notoraja Ishiyama, 1958 are described from the rarely accessed, deep waters off New Caledonia, Vanuatu and Fiji islands, and the Norfolk Ridge.