Also know as Dusky Cardinal, Dusky Cardinalfish, Guam Cardinalfish, Pearl Cardinal, Pearl Cardinalfish, Samoan Cardinalfish, Three-saddled Cardinalfish.
Found singly or in small schools, during the day sheltering in the arms staghorn corals or hiding in caves and crevices of the reef, dispersing at night to foraging for food over shallow lagoons and reef flats.
They feed nocturnally on small fish and benthic invertebrates
Length - 11.2cm
Depth - 1-20m
Males incubate their eggs inside their mouths, as the egg masses increase in size they can be found with wide open mouths where they shift the eggs around to aerate the egg masses. Ref: https://www.fishbase.se/summary/Nectamia-fusca.html