Adults form small shoals in midwater above or near rocky reefs or above seagrass meadows (Posidonia. They feed on small planktonic or benthic animals (Ref. 6760). Reproduce in summer (Ref. 6760). Eggs characterized by adhesive filaments are nested on rocky or sandy bottoms (Ref. 6760). Males guard the eggs (Ref. 6760).
Seperate genus chromis chromis, Mediterranean Damselfish appears to be the same species.
Mediterranean Sea, Black Sea, eastern Atlantic: Portugal to Gulf of Guinea and possibly Angola, includig offshore islands.