Tetrabrachiidae

Tetrabrachium ocellatum

The Tetrabrachiidae (Size: tetra = four, brachion = arm) are a related to the angler fish family of small, little -studied marine fish. To the family belonged to 2009 ocellatum only one way Tetrabrachium, so she was monotypic. 2009 Finally, a second species was described, Dibrachichthys melanurus. Both species live on the coasts of Australia, New Guinea and Indonesia.

Features

The fish are five to seven inches long. Her head is large, the mouth for Armflosser rather small, the eyes are small. Palate teeth and a swim bladder absent. The body is flattened elongated and laterally, the skin is loose. The gill opening is small and sits under the pectoral fin base.

Their dorsal fin is supported 14-17 fin rays, the anal fin of eight to twelve. The first ray of the dorsal fin is converted to a small Illicium ( "Angel" ).