This Species of Fish Has Neon Blue Flesh And No One Knows Why

The Lingcod, a fish native to the North American west coast, usually has brown-red or even greyish skin and white flesh, but about 1 in 5 specimens are actually neon blue both inside and out, and no one really knows why.

Popular both among recreational fishermen and seafood lovers for its delicious meat, the lingcod is a bottom-dwelling fish that can grow up to a size of 152 centimeters. It’s a voracious predator that feeds on virtually anything that moves and fits into its large mouth and has only a couple of species of seals and human fishermen to worry about. The Lingcod is sometimes referred to as ‘smurf cod’ due to the fact that about 20 percent of specimens have neon blue flesh that looks either alien or affected by nuclear radiation. Interestingly, while scientists have theories about this bizarre coloration, we have yet to establish why some lingcod have blue flesh.

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