Lanternfish

This lanternfish (Diaphus sp.), found in the Red Sea, has light-producing photophores along its ventral surface (belly), and a nasal light organ that acts like a headlight. Hear scientists tell stories about encountering bioluminescent marine animals in the deep sea.

A photo of a lanternfish with its nasal light organ illuminated.
Credit: 

E. Widder, ORCA, www.teamorca.org