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Ocean animals

Asian sheepshead wrasse

Amazing fact

Asian sheepshead wrasses change sex from female to male.

新潟大学佐渡自然共生科学センター臨海実験所
Asian sheepshead wrasse in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

Asian sheepshead wrasses change sex from female to male.

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THE REAL WORLD

The real Asian sheepshead wrasse

Scientific name
Semicossyphus reticulatus
Japanese name
コブダイ
Group
Ocean animals
Order
Labriformes
Family
Labridae
Genus
Semicossyphus
Facts about the real animal.

Where the name “Asian sheepshead wrasse” comes from

It is also called “kandai,” or cold-season sea bream, because it tastes better in the cold season.

男鹿水族館GAO
01

It lives along the coasts from Hokkaido to Kyushu and in the Seto Inland Sea, and in the seas of Korea and Hong Kong.

02

When they grow big, both males and females get a forehead that sticks out like a bump.

03

Its lower jaw is thick too, giving it a distinctive face.

How the Asian sheepshead wrasse lives

They live on rocky reefs. They catch and eat shellfish and crustaceans.

海遊館

Basic data

Range
Pacific coast from Hokkaido to southern Kyushu, Sea of Japan and East China Sea coast to western Kyushu, Korea, and elsewhere
鳥羽水族館

Where the Asian sheepshead wrasse has been recorded

World map with dots where the Asian sheepshead wrasse 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
コブダイ
한국어
혹돔
Bahasa Indonesia
Ikan Kobudai

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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