Discover and read the best of Twitter Threads about #bluefin
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This is certainly some big #news from the #IUCNcongress today, with the release of their latest ratings of tunas, sharks, rays, and other species. @IUCNRedList is hoping to soften the concerning news about sharks and rays with better tuna news but... 1/
Some of the new ratings mask serious concerns with unique populations of yellowfin and Atlantic #bluefin. Concerns that are substantial enough that I (a tuna conservationist - yes that is a thing!) am having trouble celebrating. 2/
To be clear, the tuna team did not really get things wrong. The issue is that the IUCN standard requires experts to examine population trends and status at the species level, meaning a genetically distinct population could be crashing, while the species is doing ok. 3/
