Fin's Fish Guide
The Honmoroko (Gnathopogon caerulescens) is a freshwater fish of the family Cyprinidae that grows up to 10 cm.
Description
The honmoroko is a small minnow (Cyprinidae) endemic to Lake Biwa in Japan. The species is slender and silvery and lives in schools in the open water and along the shores of the lake. It feeds on zooplankton, insect larvae and small invertebrates. It is a valued local food fish but has strongly declined through overfishing and habitat loss and is considered endangered. The species is harmless to humans.
Frequently asked questions
How do you recognise the Honmoroko?
The Honmoroko has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Schooling, endangered small cyprinid endemic to Lake Biwa in Japan.
Where does the Honmoroko live?
The Honmoroko lives in fresh water and is mostly found around mixed bottom. Endemic to Lake Biwa in Japan; open water and shores.
How big does the Honmoroko get?
The Honmoroko grows to a maximum of about 10 cm. On average the species is around 8 cm.
Is the Honmoroko dangerous to humans?
No, the Honmoroko is harmless to humans. None required: this species is harmless to humans.
Is the Honmoroko edible?
Yes, the Honmoroko is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Gnathopogon
More from the family Cyprinidae
Want the complete picture on the Honmoroko?
Point your camera at the fish and Fin names the species in seconds. Free, and the Honmoroko is one of 12,519 species in the app.
Or scan with your phone