Caviar has been farm raised for a while now. Almost all the stuff on the market is farm raised. I have a tin of farm-raised Canadian sturgeon caviar in my fridge right now...
They even have techniques to extract the eggs without killing the fish.
They even have techniques to extract the eggs without killing the fish.
https://www.greatbritishchefs.com/features/ethical-caviar-fa...
https://californiacaviar.com/pages/our-story
https://www.finedininglovers.com/article/meet-frances-no-kil...
Not killing the fish is an obvious way to increase the farm's yield so I imagine most producers are interested in it. Sturgeon meat isn't particularly demanded either...