Male Coris julis (Linnaeus, 1758) 

The Mediterranean rainbow wrasse (Coris julis) is a small, colourful fish in the family Labridae. It can be found in the Mediterranean Sea and in the northeast Atlantic Ocean from Sweden to Senegal (though it is a rare wanderer to the southern British Isles)
Vulgar names: rainbow wrasse, doncella o budión or julia
Source: en.wikipedia.o...