Holefish

The Holefish is a passive life form belonging to the fauna category, usually found near cavernous areas. It is catchable and edible.

The Holefish is very small in comparison with other common fishes, like Peepers or Garryfish.

Appearance
The Holefish is blue and purple on the head and tail, while the upper part of the body is brown with yellow vertical stripes ending in some yellow dots. It has two eyes on either side with a light blue, bioluminescent iris and black pupils.

It has one hole in the tail that is as large as the eye. The head is shaped like an arrow, of which the tip is the mouth, and the top and bottom are the control fins.

Behavior
The Holefish is very agile and evasive, often seen darting around cave systems' entrances alone or in shoals. However, the creature does not actually flee from the player if being approached by them, it simply just swims away very fast.