Blackhead seabream
Amazing fact
The blackhead seabream crushes the hard shells of shrimps and crabs with well-developed back teeth.
東京動物園協会
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An illustration based on the real animal.
A little discovery to share.
The blackhead seabream crushes the hard shells of shrimps and crabs with well-developed back teeth.
THE REAL WORLD
The real Blackhead seabream
- Scientific name
- Acanthopagrus schlegelii
- Japanese name
- クロダイ（チヌ）
- Group
- Ocean animals
- Order
- Spariformes
- Family
- Sparidae
- Genus
- Acanthopagrus
It lives along the coasts of Japan from Hokkaido to Kyushu, and along the coasts of the Korean Peninsula, China, Taiwan and nearby areas.
It lives in bays, in shallow rocky areas, and in places where river water and seawater mix.
It eats mollusks and bristle worms (polychaetes), and lays its eggs from spring to summer.
How the Blackhead seabream lives
It begins its breeding life as a male. As they grow, many become females and lay eggs. Some remain male throughout their lives rather than becoming female.
東京動物園協会Basic data
- Diet
- Mollusks and polychaetes
- Range
- Sea of Japan, East China Sea and Pacific coasts from Hokkaido to southern Kyushu, Seto Inland Sea, Korean Peninsula, Taiwan, and elsewhere
Where the Blackhead seabream 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
- 鳥羽水族館 — クロダイChecked: 2026-11-04
- 東京動物園協会 — 日本沿岸の代表魚、クロダイの展示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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