You won’t see these during the day. From alien-like fish to shocking surprises, we explore the ocean after dark to uncover what’s really lurking below.

The sea lamprey is not a creature with mass appeal, yet there is something about this ancient and mysterious eel-like fish ...

A strange green pond, thick with slime, holds an even stranger secret inside. When the water clears, an alien-like fish appears, defying all logic. Is it mutation, survival, or something else entirely ...