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Standardization CPUE of shortfin mako sharks caught by Japanese longliners in the Atlantic
Standardization CPUE of shortfin mako sharks caught by Japanese longliners in the Atlantic in the period between 1994 and 2009. Kimoto, A. and Yokawa, K. SUMMARY: The Japanese logbook system for distant-water longliners started collecting shortfin mako data in 1994. Because part of the Japanese longliners released/discarded their shortfin mako catch and the Japanese logbook
Standardized CPUE for blue sharks caught by the Japanese longline fishery in the Atlantic Ocean
Standardized CPUE for blue sharks caught by the Japanese longline fishery in the Atlantic Ocean. Hiraoka, Y. and Yokawa, K. SUMMARY: The standardized CPUEs of blue shark in the North and South Atlantic are updated to 2009 by the new models in the short- and long-term, respectively. The trends of standardized CPUEs given by the
Preliminary results of standardized CPUE for porbeagle in the South Atlantic
Preliminary results of standardized CPUE for porbeagle in the South Atlantic from Japanese longline logbook data between 1994 and 2010. Semba, Y. and Yokawa, K. SUMMARY: CPUE (catch per unit effort) for porbeagle caught by the Japanese longline fishery in the South Atlantic was standardized using filtered logbook data from 1994 to 2010. There was
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
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
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
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
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
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
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
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
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
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
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
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;