Stone moroko (Motsugo)

A photo of Stone moroko (Motsugo)

The appearance of Stone moroko (Motsugo)

Common name: Stone moroko, False razbora, Topmouth gudgeon, Topmouth minnow

Japanese name: Motsugo (持子)

Taiwan common name: 麥穗魚、尖嘴仔、車栓仔、尖嘴魚仔 

Scientific name: Pseudorasbora parva (Temminck and Schlegel, 1846)


Stone moroko (Motsugo) is distributed in Honshu west of the Kanto region, Shikoku, Kyushu, the Korean Peninsula, Taiwan, China, and northern Vietnam. It is a freshwater fish that inhabits the middle and bottom layers of lakes, ponds, irrigation water, and small streams. The body length is about 8 cm. Its body is slightly laterally flattened, elongated, and has a small mouth.

Motsugo does not have the fishy or muddy odor characteristic of freshwater fish. It is mainly made into kanroni or tsukudani (food boiled in soy sauce).

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