For the first time, a deep sea angler fish was spotted last week in daylight. The incident was iconic, especially for the ...

The angler didn’t know it at the time ... The black coloring in the fish’s mouth and on its tongue is visible in preserved specimens. Researchers did not say if the coloring was visible ...

A flatfish's mouth and both its eyes are on one side of its body, so it can see what's above it. Angler fish live in deep water. They have what looks like a tiny fishing rod dangling over their mouth.