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16-24 April 2013 Shimizu, Japan

Working Group Report

Report of the Shark Working Group Workshop

Working Group Working Papers


  • Catches of blue sharks from U.S. West Coast recreational fisheries during 1971-2011.
  • Sippel, T. and S. Kohin


  • Summary of estimation process of abundance indices for blue shark in the North Pacific.
  • Hiraoka, Y., M. Kanaiwa and K. Yokawa


  • Global genetic population structure and demographic history of shortfin mako (Isurus oxyrinchus) inferred from mitochondrial DNA.
  • Taguchi, M. and K. Yokawa


  • Estimate of the intrinsic rate population increase for the blue shark in the North Pacific.
  • Chin, C.P. and K.M. Liu


  • Updated historical catches and standardized CPUE series of blue shark by Taiwanese tuna longline fisheries in the North Pacific Ocean.
  • Tsai, W.P. and K.M. Liu


  • Preliminary review of catch and effort data of shortfin mako shark caught by Japanese offshore and distant-water longliners in the period between 1994 and 2012.
  • Yokawa, K.


  • Distribution pattern of shortfin mako (Isurus oxyrinchus) caught by Kesennuma offshore longline fleets.
  • Shiozaki, K., Y. Semba and K. Yokawa

Information Papers


  • Unofficial blue shark catches estimations for the Mexican Pacific (1976-2011).
  • Sosa-Nishizaki, O.