British Wildlife Wiki

The Rainbow Wrasse (Coris julis) is a fish which can be found in the Mediterranean Sea and in the Atlantic Ocean, from the English Channel to Central Africa.

It feeds on algae, amphipods, copepods, sea urchins, polychaete, small shrimps and gastropoda.


Coris julis can grow to 25 cm in length. There is a marked difference in appearance between males and females, the former being green, blue or brown with white belly, a dark blue spot over the ventral fin and a bright orange band on the side, while the latter have are brown with yellowish sides and white belly. Males are brightly coloured and more dominant.


It is associated with rocky deeps or posidonia, usually on the seaward side from a few centimeters to 120 m depth. They are generally solitary as adults.