Okenia hiroi
Amazing fact
The inner teeth of Okenia hiroi have a long, blade-like part with a groove along it.
Australian Museum
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An illustration based on the real animal.
A little discovery to share.
The inner teeth of Okenia hiroi have a long, blade-like part with a groove along it.
THE REAL WORLD
The real Okenia hiroi
- Scientific name
- Okenia hiroi
- Japanese name
- ヒロウミウシ
- Group
- Ocean animals
- Class
- Gastropoda
- Order
- Doridida
- Family
- Goniodorididae
- Genus
- Okenia
How the Okenia hiroi lives
It is often found on bryozoans of the same color as its body. It also lives on rocky reefs in shallow water.
新潟市水族館 マリンピア日本海竹野スノーケルセンター・ビジターセンターBasic data
- Diet
- Bryozoans
- Range
- South of Hokkaido and Hong Kong
Where the Okenia hiroi 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
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 — ヒロウミウシChecked: 2026-11-04
- 新潟市水族館 マリンピア日本海 — ヒロウミウシChecked: 2026-11-07
- 竹野スノーケルセンター・ビジターセンター — ヒロウミウシChecked: 2026-11-07
- Australian Museum — Okenia hiroiChecked: 2026-11-07
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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