Chromis dimidiata (Half-and-half chromis)
Dark brown to black head and forebode, white rear body and tail. Distinguished from the Pacific half-and-half chromis (Chromis iomelas) only by location.
Unevaluated by the IUCN Red list.
Western Indian Ocean and the Red Sea. Adults inhabit lagoon and seaward reefs. Abundant, in large aggregations over reef tops and upper edges of slopes. Usually seen solitary in reefs, staying close to the substrate in depths of about 10 meters. It lives in a total depth range of 1-36 meters.
Oviparous, distinct pairing during breeding. Eggs are demersal and adhere to the substrate. Males guard and aerate the eggs.
Up to 9cm.
It feeds on zooplankton.
It is similar to Chromis iomelas, the Pacific half-and-half chromis, but they are distinguishable by location. It is also referred to as chocolate dip chromis.
