Deepwater cardinalfish 深海天竺鲷科
Deepwater cardinalfishes are perciform fishes in the family Epigonidae. The family includes about 43 species.
They are small fishes: the largest, Epigonus telescopus, reaches 75 cm (30 in) in length, and most grow to no more than 20 cm (7.9 in) or so.