Chromis sanctaehelenae

Chromis sanctaehelenae is a species of fish, in the family Pomacentridae. 
Habitat.
It is endemic to Saint Helena. 
The adults occur in rocky or rubble reefs. 
Behaviour.
They are oviparous, and they form pairs during spawning. 
The eggs are demersal, adhering to the substrate, and are guarded and aerated by the male.