Flat Bitterling

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An illustration based on the real animal.
A little discovery to share.
The flat bitterling grows larger than any other bitterling species in Japan.
THE REAL WORLD
The real Flat Bitterling
- Scientific name
- Acheilognathus rhombeus
- Japanese name
- カネヒラ
- Group
- Freshwater animals
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Acheilognathus
A bitterling that lives in Honshu west of the Nobi Plain, northern Kyushu, and the Korean Peninsula.
It lives in slow-flowing rivers, ponds and marshes, and especially likes places with lots of water plants.
Basic data
- Size
- Total length: up to 15 cm
- Range
- Honshu west of the Nobi Plain and northern Kyushu in Japan, and the Korean Peninsula
Where the Flat Bitterling has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
- 日本語
- カネヒラ
- 简体中文
- 斜方鱊
- 繁體中文
- 斜方鱊
- 한국어
- 납지리
- Français
- Bouvière du Japon
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — カネヒラChecked: 2026-11-04
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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