Flashlight fish (Anomalops katoptron). The torch-like organ can be seen under its eye. (D. Gruber, 2019) (CN) – While most fish tend to disperse in dark waters, scientists have discovered flashlight ...

The lanternfish is, by far, the most common deep-sea fish. Other deep sea fishes include the flashlight fish, cookiecutter shark, bristlemouths, anglerfish, viperfish, and some species of eelpout.