In the first stock-wide study of tuna growth, scientists at SPC have discovered that male South Pacific albacore (Thunnus alalunga) grow larger than females, and that albacore in the central Pacific grow larger than those in the west.

Published in the journal PLoS ONE, the research article is authored by scientists from the Secretariat of the Pacific Community and Australia’s CSIRO Marine and Atmospheric Research.

The study was made possible by the dedication and significant efforts from the many fisheries observers, port samplers, fishers and scientists who participated in the collection of over 3000 otoliths (ear bones) and other biological samples from albacore across the South Pacific Ocean, from the east coast of Australia to Pitcairn Islands.

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Joint media release by Solomon Islands Ministry of Fisheries and Marine Resources and SPC.

In Honiara last week, Mike Batty, Director of SPC’s Fisheries, Aquaculture and Marine Ecosystems Division, presented the findings of a six-month study on Solomon Islands tuna fisheries to Ministry of Fisheries and Marine Resources (MFMR) staff and key stakeholders.

Scientists at SPC have been using the MULTIFAN-CL software for over ten years to assess the status of tuna and tuna-related species in the Western and Central Pacific Ocean. SPC scientist Nick Davies, along with the chief developer Dave Fournier of Otter Research Limited, has just released an updated version of the software that allows for faster and more efficient analysis of management options. The model also has new features so that it can include 300,000+ tags released in SPC’s highly successful Pacific Tuna Tagging Programme.

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