Cataetyx alleni

Cataetyx alleni, sometimes called Allen's brotula, is a species of fish in the family Bythitidae (viviparous brotulas).

Description
Cataetyx alleni is grey, with a maximum length of 12 cm. It has 109–111 dorsal finrays, 79–83 anal finrays, and 31–32 pectoral finrays.

Habitat
Cataetyx alleni is bathydemersal, living at depths of 480 - 1000 m in the Atlantic Ocean and Mediterranean Sea.

Behaviour
Cataetyx alleni reproduces viviparously. It feeds on polychaetes and benthic crustaceans.