Apogon nigrofasciatus has been called A. aroubiensis Hombron and Jacquinot, but their description is not identifiable. It is very similar to Apogon angustatus, but in that species the pale interspaces are broader than the dark stripes.
Details
§ 01
size
Common to 6 cm; max. 9 cm
color
Whitish to yellow with five dark reddish to black stripes on head and body, which are broader than pale interspaces. Fins light red.
This species of coral reef is typically found either alone or in pairs on shallow, flat reefs in outer lagoons, reaching depths of up to 18 meters. During the day, they rest in crevices or under ledges, and come out at night to feed on small benthic invertebrates.
distinctive characters
The first dorsal fin has seven spines, the second dorsal fin has one spine and nine rays, the anal fin has two spines and eight rays, the pectoral fin has thirteen or fourteen (usually fourteen) rays, and the lateral line scales range from twenty-four to twenty-five with a total of twenty to twenty-four gill rakers (usually twenty-one to twenty-three).