Description

Also known as Black-nosed Cardinalfish, Luminous Cardinalfish, Nose-spot Cardinalfish, Nurseryfish, Schooling Cardinalfish.

Found in large dense schools, during the day around caves, and over patch reefs, with coral heads and rocks for shelter, dispersing at night to feed.
They feed nocturnally midwater on plankton.
Length - 6cm
Depth - 2-15m
Widespread Indo-Pacific

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/5746