By A Mystery Man Writer
Triggered by the colder temperatures of deep water, the mutation activates visual pigments that sense blue light, the only color that reaches such depths.
Whale shark - Wikiwand
Whale shark - Wikiwand
Whale shark - Wikipedia
Whale shark - Wikiwand
Whale shark - Wikipedia
Whale Shark articles - Encyclopedia of Life
Whale shark - Wikipedia
Whale shark - Wikiwand
Whale shark - Wikiwand
Whale shark - Wikipedia