An Alaskan fisherman documented a vibrant, orange-speckled catch that has natural blue flesh, and he shared what the fish looks like when cooked. Joe Chmeleck, owner of The Lodge at Otter Cove, in ...

Two species of damselfish may look identical -- not to mention drab -- to the human eye. But that's because, in comparison to the fish, all of us are essentially colorblind. A new study reveals that ...