Nipponic Lumpsucker

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An illustration based on the real animal.
A little discovery to share.
Male Nipponic lumpsuckers care for eggs laid inside a shell until they hatch.
THE REAL WORLD
The real Nipponic Lumpsucker
- Scientific name
- Eumicrotremus asperrimus
- Japanese name
- コンペイトウ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Cyclopteridae
- Genus
- Eumicrotremus
It is also listed under the scientific name Eumicrotremus birulai.
It lives along the Sea of Japan coast north of Yamaguchi and around Hokkaido, and in the Sea of Okhotsk, the Bering Sea and nearby.
How the Nipponic Lumpsucker lives
It lives in deep waters of the Sea of Japan. It usually stays attached to surfaces such as stones with its belly. When swimming, it moves its small fins rapidly to hover in the water.
越前松島水族館Basic data
- Range
- Sea of Japan coast north of Yamaguchi, Hokkaido coast, Korean Peninsula, Russia, Sea of Okhotsk, Bering Sea, and Kamchatka Peninsula
Where the Nipponic 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
- 日本語
- コンペイトウ
- 简体中文
- 北海道真圆鳍鱼
- 繁體中文
- 北海道真圓鰭魚
- 한국어
- 우릉성치
- Português (Brasil)
- Peixe-lapa-nipônico
- Русский
- Многошипый круглопёр
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 — コンペイトウChecked: 2026-11-04
- 越前松島水族館 — こんぺいとうハウス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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