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 flashlight fish is not alone in using bacteria as light factories. Similar organs housing bioluminescent bacteria are found in deep sea anglerfishes and ponyfishes, too. In fact, a 2016 study ...