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Most prized variety - the bluefin tuna - is now widely farmed already (although farmed one still makes a very small proportion of tuna consumed). But it's possible and is already viable commercially.

not exactly farmed. Is fattened in captivity.

I thought the same, but it looks like there was a breakthrough relatively recently making it possible now: https://www.theguardian.com/environment/2023/sep/04/breeding...

> Spanish research centre achieves first tank-bred Atlantic bluefin

> This article is more than 4 months old

In fact it came like ten years late. Probably more.

Tuna can’t pump water over their gills. They can never stop swimming

Seems like an opportunity for CRISPR to make tunas that are farmable.