Fish
Cuckoo wrasse
Labrus mixtus
How to spot it
Two looks: males blaze electric blue with wavy stripes along a yellow-orange body; females and juveniles are pink-orange with three distinctive black saddle blotches along the back near the tail.
Usually seen at
10-40 m (median 20 m)
Size
Medium (10-50 cm)
Habitat
Rocky crevice
Behaviour
Solitary
Where it's seen
Occurrence records around the UK and north-east Atlantic (OBIS).