Fire Dartfish

Nemateleotris magnifica

Fire Dartfish — photo 1 of 4
Photo 1 of 4 · Rickard Zerpe · CC BY 2.0 · via Wikimedia Commons
uncommonwhiteyelloworangeredschoolingburrowingtinysand-rubble
Habitat
Sand & rubble
Max size
9 cm
Depth
6-70 m
Family
Microdesmidae

Nemateleotris magnifica, known by a variety of common names including fire goby, magnificent fire fish, fire dartfish, or red fire goby, is a species of dartfish native to coral reefs of the Indian and Pacific oceans.

Adapted from Wikipedia, licensed under CC BY-SA 4.0.