Rare Blue Lingcod Caught in Alaska

  An Alaskan fisherman caught a rare blue tinted lingcod in the Pacific Ocean and it was shared on Facebook. Though usually white-hued like halibut, the lingcod, a West Coast bottom-dwelling species, occasionally has an alien-like blue tint to it. The cause of this rare turquoise color is due to a bile pigment called biliverdin, which is responsible for turning the blood serum of these fish that freakishly odd color – but how this pigment gets into the tissues and flesh of the fish, or why only some lingcod turn this striking shade... READ MORE