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Ocean animals

Spotbelly rockfish

Amazing fact

The spotbelly rockfish has well-developed head spines and a hollow between its eyes.

男鹿水族館GAO
Spotbelly rockfish in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

The spotbelly rockfish has well-developed head spines and a hollow between its eyes.

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THE REAL WORLD

The real Spotbelly rockfish

Scientific name
Sebastes pachycephalus
Japanese name
ムラソイ
Group
Ocean animals
Order
Scorpaeniformes
Family
Sebastidae
Genus
Sebastes
Facts about the real animal.

It is also listed under the scientific name Sebastes pachycephalus pachycephalus.

01

It lives along Japan's Pacific and Sea of Japan coasts and around Busan in Korea.

02

Its tail fin has dark, brownish spots.

03

Its body color blends into its surroundings, so it is hard to spot.

How the Spotbelly rockfish lives

It lives in rocky areas of shallow seas.

男鹿水族館GAO

Basic data

Range
Pacific coast from Tsugaru Strait to Miyazaki, Sea of Japan and East China Sea coast from Hokkaido to Kyushu, and Busan
鳥羽水族館

Where the Spotbelly rockfish has been recorded

World map with dots where the Spotbelly rockfish has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesJapanAsiaCoasts

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
ムラソイ
简体中文
厚头平鲉
繁體中文
厚頭平鮋
한국어
개볼락
Português (Brasil)
Cantarilho-pedra

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

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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