Bicolor blenny
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An illustration based on the real animal.
A little discovery to share.
Some bicolor blennies have an entirely dark blue body.
THE REAL WORLD
The real Bicolor blenny
- Scientific name
- Ecsenius bicolor
- Japanese name
- フタイロカエルウオ
- Group
- Ocean animals
- Order
- Blenniiformes
- Family
- Blenniidae
- Genus
- Ecsenius
It lives in tropical seas from Yakushima and the Ryukyu Islands to southern Taiwan and the Maldives, and from the eastern Indian Ocean to the western Pacific.
Blennies in its group have a habit of poking just their faces out of gaps in rocks and corals.
How the Bicolor blenny lives
It combs tiny particles of organic matter from short algae on top of coral heads. It is often seen resting on top of coral heads. It also shelters in empty tubes left by worms.
Museums VictoriaBasic data
- Range
- The tropical eastern Indian Ocean to the western Pacific
Where the Bicolor blenny 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
- フタイロカエルウオ
- 简体中文
- 双色异齿鳚
- 繁體中文
- 二色無鬚鳚
- Español
- Blenio Bicolor
- Français
- Blennie bicolore
- Deutsch
- Zweifarben Schleimfisch
- Português (Brasil)
- Blênio-bicolor
- Italiano
- Bavosa bicolore
- Bahasa Indonesia
- Jabingan ekor api
- Русский
- Двухцветный эксен
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 — フタイロカエルウオChecked: 2026-11-04
- Museums Victoria — Bicolor Combtooth Blenny, Ecsenius bicolorChecked: 2026-11-07
- 粟国村（粟国アーカイブス） — フタイロカエルウオChecked: 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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