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worm pipefish

worm pipefish by Paul Naylor

Worm pipefish

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The last thing you’d expect this extraordinary creature to be is a fish!

Enw gwyddonol

Nerophis lumbriciformis

Pryd i'w gweld

April-October. Egg carrying males can be seen from May-August.

Top facts

Stats

Up to 15cm long
Common

Ynghylch

Its small, round, smooth body makes it look much more like a worm than a fish, hence the name ‘worm’ pipefish. The only resemblance to a fish is one very small, delicate dorsal fin, which sits behind the head and extends for only a few centimetres. These pipefish like to eat small crustaceans such as copepods and are only usually found in rockpools and seaweed habitats on the shore.

What to look for

Very easy to mistake for a piece of seaweed or a twig when found stranded under a rock, this pipefish usually has a dark olive, glistening body. They can grow up to 15cm long but are only about a centimetre thick! Look for an upturned seahorse type snout and beautiful light green markings around the eyes and face.

Where to find

Usually found on the South and West coasts of Britain and Ireland

Roeddech chi yn gwybod?

As with its close relative, the seahorse, it is the male pipefish which carries and cares for the eggs. Unlike the seahorse who carries the eggs inside a pouch, the pipefish will carry them stuck to a small groove on the outside of their tummies!