Tuna Science

The scientific committee of Western Central Pacific Fisheries Commission (WCPFC) reported last year that “Pacific Island domestic fleets, which are dependent on albacore, continue to experience diminishing CPUE-catch per unit effort, thereby affecting profitability and in many cases, survival. Accor…Read more…>>

–Fisheries Research Agency’s report on the Status of International Resources in FY2012″— Japan’s Fisheries Research Agency (FRA) recently published its fiscal 2012 (April 2012-March 2013) report on “the Status of International Resources,” in which it summarized th…Read more…>>

Osamu Abe Head, Pacific Bluefin Tuna Biology Group, National Research Institute of Far Seas Fisheries Important information on the stock management Earlier information of annual juvenile abundance is essential for planning appropriate stock management of the Pacific bluefin tuna (PBT). It would cont…Read more…>>

Ko Fujioka, Ph.D. (Researcher) National Research Institute of Far Seas Fisheries, Fisheries Research Agency Pacific bluefin tuna (PBT) is a worldwide fishing resource targeted mainly by Japan, Korea, Taiwan, the U.S. and Mexico. Japan, as the biggest fishing and consuming country of the PBT resource…Read more…>>

Prof. Shigeru Miyashita, head of Kinki University’s aquaculture seed center reported at a seminar held in Tokyo on July 19. Following is its summary. The research on artificial hatching and breeding of juvenile bluefin tuna started in 1979. Initially, we were not able to raise the fish to the …Read more…>>

Difficulties in projection in future stock change Ziro,Suzuki, National Research Institute of Far Seas Fisheries- In the stock assessment, it is commonly attempted to make future projection of the stock change based on the information obtained from the stock analyses using data up to as recent as po…Read more…>>

-Dr. Makoto Miyake,Visiting Researcher at the National Research Institute of Far Seas Fisheries-In stock assessments, catch per unit of effort (CPUE) is considered to reflect the abundance of a fish stock.For example, if you caught 10 tons of tuna per fishing day, the abundance of that tuna stock wa…Read more…>>

Interview with Dr.Motohiko Sano, Director, Research Center for Aquatic Genomics, National Research Institute of Fisheries Science, Fisheries Research Agency Q: First, I would like to ask you how we should understand the genetic research on fish. SANO: There is nothing special about this field of stu…Read more…>>

Naozumi Miyabe, M.A., Research Coordinator for Oceanography and Resources Dr. Yuji Uozumi, Director-General, National Research Institute of Farseas Fisheries, Fisheries Research Agency, Japan IUCN (the International Union for Conservation of Nature) released the Red List of Threatened Species last J…Read more…>>

The International Union for Conservation of Nature (IUCN) released the Red List of Threatened Species on July 7, appealing the urgent need for the recovery of tuna stocks. IUCN reported that five of eight major species of tunas are in the threatened or near endangered IUCN Red List Categories. These…Read more…>>