Fisheries
EU presses for Indian Ocean tuna fisheries management changes
The European Union has made four proposals for the Indian Ocean Tuna Commission session next month to improve tuna fisheries management.
Fisheries
Tuna company advances electronic monitoring initiative for longline fleet
Global tuna fishing leader Tri Marine is partnering with FlyWire to install electronic monitoring capabilities on its longline vessels.
Fisheries
Fisheries in Focus: Marine protected areas don’t help tuna population, new paper shows
Using stock assessment and fishing data, researchers find that the Phoenix Islands Protected Area did not meaningfully increase the tuna population.
Fisheries
Fisheries in Focus: Tunas and billfishes are improving on the IUCN Red List – and it’s thanks to effective fisheries management
Sustainable Fisheries UW offers a rundown of the IUCN Red List and how tunas and billfishes benefit from strong fisheries management.
Fisheries
Conservation groups: No time for tepid action on tuna
Compiled by Conservation International and other technical agencies, a recent report quantifies the impact of climate change on tuna fisheries.
Aquafeeds
Finding value in feed size, right down to the rotifers
To raise yellowtail and bluefin tuna, a progressively larger feed is required as the fish grow. Japanese researchers are looking to fill the gaps.
Intelligence
Aquaculture 2019: Triennial meeting examines global industry status
The triennial Aquaculture 2019 meeting – which also celebrated the 50thanniversary of the World Aquaculture Society – featured all segments of the aquaculture value chain during 104 technical sessions.
Innovation & Investment
Tuna aquaculture: Fishing for progress
Aquaculture could be a sustainable alternative to fishing for tuna but achieving commercial-scale production has proven challenging.
Intelligence
Public opinions pose barriers for tuna consumption
Safety and sustainability are key concepts affecting consumers’ decisions on tuna consumption. Although the benefits of consumption exceed the potential negative effects, tuna’s harmful attributes tend to negatively impact purchasing in at-risk groups.
Health & Welfare
Achotines laboratory home to continuing studies of tuna early life history
The Inter-American Tropical Tuna Commission Achotines Laboratory in southern Panama is the world’s only facility with nearly year-round availability of tuna eggs and larvae. A study is comparing the reproductive biology, genetics and early life history of yellowfin and Pacific bluefin tuna.
Intelligence
Spanish trials address transport of wild juvenile tuna for ongoing study
In work on the nutrition and feeding aspects of bluefin, the authors utilize wild juvenile tuna that are adapted to culture conditions in sea cages.
Intelligence
Tuna ranching in Baja California, Mexico
Tuna fleet relocation hurt Ensenada, Mexico. The response was bluefin tuna ranching, in which wild fish are caught and stocked into floating pens where they are fed until market size.