Urechis unicinctus
Urechis unicinctus

Urechis Unicinctus sold at market in Korea.
Scientific classification
Kingdom:\tAnimalia
Subkingdom:\tEumetazoa
Superphylum:\tLophotrochozoa
Phylum:\tAnnelida
Class:\tEchiura
Order:\tXenopneusta
Family:\tUrechidae
Genus:\tUrechis
Species:\tU. unicinctus
Binomial name
Urechis unicinctus
von Drasche, 1881
Urechis unicinctus (Korean: 개불 (gaebul))(pinyin: hai chang)(螠虫, ユムシ, yumushi) is a species of marine spoon worm. There is no official English language word for this species, though due to its form, it is widely referred to as the penis fish.
[edit]Habitat

U. unicinctus, like other Urechis, live in burrows in sand and mud.
Economic use



Urechis Unicinctus as served as Hoe in a restaurant in Korea.
This spoon worm is commonly eaten raw in Japan and especially Korea.[1] This is often eaten with salt and sesame oil in Korea. In Hokkaido, Japan, this is called ruttsu and served as sashimi or boiled.
In Chinese cuisine the worm is cooked stir-fried with vegetables, or dried and powdered to be used as an umami enhancer. In particular, the worm is considered an important ingredient in Shandong cuisine and has numerous recipes for using it.
This is also used for fishing bait.