The robust cardinalfish (Epigonus robustus) is a species of deepwater cardinalfish found around the world in southern temperate waters at depths of from 500mto3000mm (1,600feetto10,000feetm). It can reach a length of 22cm (09inches) TL.
It is a vigorous fish which, apart from the second dorsal fin exhibiting a longer spine, resembles the big-eyed cardinalfish.