Pineapple-fish

Pineapple-fish - a small armored fish scales is hard to figure and colore resembles pineapple, reaches a length of up to 17 cm.

Biology: live in caves or rock ledges and coral reefs at depths ranging from 15 to 200 m, small fish, pineapple can be seen at a depth of 3 m.
At night, they begin to hunt and communicate with each other.
Fluorescent bodies located at the tip of lower jaw contain symbiotic bacteria that produce a cold blue-green light. This verotyano they need to communicate. The most frequent near the Japanese islands. In the Red Sea - is found under coral reefs and in caves.