Urechis unicinctus is a species of marine spoon worm

Echiura

The Echiura, or spoon worms, are a small group of marine animals. They are often considered to be a group of annelids, although they lack the segmented structure found in other members of that group, and so may also be treated as a separate phylum...

. There is no official English word for this species. However, they are unofficially known as the "Penis Fish" due to their resemblance to male genitalia, though not necessarily human. This name is a misnomer due to the fact that they are neither penises nor fish.

Economic use

This spoon worm is commonly eaten raw

Raw

Raw is a term referring to food that has not been cooked.RAW or raw may refer to:-Technology:* Raw audio format, a file type used to represent sound as pulse-code modulation data...

 in China, Japan and especially Korea. This is also used for fishing bait

Fishing bait

Fishing bait is any substance used to attract and catch fish, e.g. on the end of a fishing hook, or inside a fish trap. Traditionally, nightcrawlers, insects, and smaller bait fish have been used for this purpose...

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