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Ocean animals

Black cardinalfish

Amazing fact

Black cardinalfish may be pale brown and can also show fine horizontal stripes.

宇久井ビジターセンター
Black cardinalfish in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

Black cardinalfish may be pale brown and can also show fine horizontal stripes.

Source宇久井ビジターセンター — クロイシモチ

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THE REAL WORLD

The real Black cardinalfish

Scientific name
Apogonichthyoides niger
Japanese name
クロイシモチ
Group
Ocean animals
Order
Kurtiformes
Family
Apogonidae
Genus
Apogonichthyoides
Facts about the real animal.
01

A fish of the northwestern Pacific. In Japan, it is found in seas south of Kanagawa and Nagasaki.

鳥羽水族館 — クロイシモチ
02

It lives on sandy, muddy seafloors with many loose stones in sheltered bays.

鳥羽水族館 — クロイシモチ
03

It also seems to live in large numbers around man-made objects, such as tires sunk in the sand.

鳥羽水族館 — クロイシモチ

How the Black cardinalfish lives

They usually live alone or in pairs rather than forming schools.

宇久井ビジターセンター

Basic data

Range
Northwest Pacific
鳥羽水族館

Where the Black cardinalfish has been recorded

World map with dots where the Black cardinalfish 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

简体中文
黑天竺鲷
繁體中文
黑似天竺鯛
Español
Apogon niger
Português (Brasil)
Cardeal-carvão

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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