Also known as Silver-lined Cardinal, Silver-lined Cardinalfish, Whiteline Cardinal, White-lined Cardinalfish.
Found in small schools during the day amongst coral, debris and in the arms of long-spined sea urchins over shallow reef flats and lagoons dispersing at night to hunt for food.
They feed nocturnally on crustaceans, small fish and zooplankton.
Length - 12cm
Depth - 1-28m
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. (edit) Ref: https://www.fishbase.se/summary/5760