Zapogon evermanni

Zapogon evermanni, Evermann's cardinalfish, is a species of cardinalfish native to tropical reefs in the Indian and Pacific Oceans and the western Atlantic Ocean.

It occurs deep in reef caves, where it swims along the ceilings upside-down. It is found at depths from 3 to 69 m (9.8 to 226.4 ft). This species grows to a standard length of 12 cm (4.7 in).[1]

The specific name honors the American ichthyologist Barton Warren Evermann (1853-1932), of the U.S. Bureau of Fisheries.[2]