The Cuckoo Ray (Raja naevus) can grow up to around 6lb.
One of the easiest rays to identify, It's the only ray found in UK waters that has a large black with yellow marbling spot on each wing with the rest of the upper surface being a light fawn to grey-brown in colour.Underside is white. Also has two rows of curved spines positioned closely together down each side of the tail and part way up on to the body disc. Breeding: Eggs in their rectangular cases are laid between December through to May.
Found over most types of ground in depths of 30m to over 150m, although more so in the 70m to the 120m range.
Small crustaceans, worms and small fish, such as sandeels.
Relatively common and found all round the UK although scarce in the lower North Sea.
The Aquarium Project