The article and it's title suggest that the toxin is "bred out" of the fish, but it is actually a result of bioaccumulation from toxic organisms (eg bacteria) i

The article and it's title suggest that the toxin is "bred out" of the fish, but it is actually a result of bioaccumulation from toxic organisms (eg bacteria) in their environment. Fish cultured in tanks are naturally free from it. https://en.m.wikipedia.org/wiki/Fugu https://en.m.wikipedia.org/wiki/Fugu