[RK]

Originally Posted by LPetro

I think it's a bile pigment called biliverdin that's responsible for turning the blood blue, but how this pigment gets into the tissues and flesh of the fish, or why only some lingcod turn blue is unknown. I moved to humboldt to study fisheries and I've often wondered why, maybe a fishery biologist who frequents the site could chime in.

His names Owyn Snodgrass "Dos Ballenas"