Japanese lumpsucker
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An illustration based on the real animal.
A little discovery to share.
Baby Japanese lumpsuckers have a ring-shaped marking on their heads.
THE REAL WORLD
The real Japanese lumpsucker
- Scientific name
- Lethotremus awae
- Japanese name
- ダンゴウオ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Cyclopteridae
- Genus
- Lethotremus
Where the name “Japanese lumpsucker” comes from
The Japanese name dango-uo comes from its dumpling-like shape.
新江ノ島水族館A small, round fish that is found mostly in cold seas.
It doesn't swim much, and holds on tight with a suction disc on its belly.
How the Japanese lumpsucker lives
It can be seen in Sagami Bay from winter to spring. Parents are said to reach the end of their lives after breeding in early spring. It lives in a way that blends into its surroundings.
新江ノ島水族館Basic data
Where the Japanese lumpsucker 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
- 新江ノ島水族館 — ダンゴウオの展示と繁殖の取り組みChecked: 2026-11-03
- 新江ノ島水族館 — まるいおだんごダンゴウオChecked: 2026-11-03
- 新江ノ島水族館 — ダンゴみたいな魚Checked: 2026-11-03
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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