Threespot dascyllus
Amazing fact
As threespot humbugs grow, they lose the ability to live in sea anemones.
Australian Museum
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An illustration based on the real animal.
A little discovery to share.
As threespot humbugs grow, they lose the ability to live in sea anemones.
THE REAL WORLD
The real Threespot dascyllus
- Scientific name
- Dascyllus trimaculatus
- Japanese name
- ミツボシクロスズメダイ
- Group
- Ocean animals
- Order
- Blenniiformes
- Family
- Pomacentridae
- Genus
- Dascyllus
Where the name “Threespot dascyllus” comes from
The scientific name trimaculatus includes a Latin word meaning spot.
Museums VictoriaIt lives from the Pacific coast south of Chiba and the Ryukyu Islands to Taiwan, the South China Sea and across the Indian and Pacific Oceans.
How the Threespot dascyllus lives
Young fish sometimes shelter among the spines of long-spined sea urchins. It eats algae and drifting crustaceans such as copepods. As it ages, its white forehead spot disappears, and its side spots fade or disappear.
Museums VictoriaAustralian MuseumBasic data
- Range
- Pacific coast south of Chiba, Ryukyu Islands, Ogasawara Islands, Taiwan, South China Sea, and Indo-Pacific
Where the Threespot dascyllus 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
- ミツボシクロスズメダイ
- 简体中文
- 三斑宅泥鱼
- 繁體中文
- 三斑圓雀鯛
- Español
- Damisela de tres manchas
- Français
- Demoiselle à trois points
- Deutsch
- Dreifleck-Preußenfisch
- Português (Brasil)
- Dascyllus-dominó
- Italiano
- Damigella a tre punti
- العربية
- دومينو دامسل
- Bahasa Indonesia
- Dakocan hitam
- Русский
- Трёхпятнистый дасцилл
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 — ミツボシクロスズメダイChecked: 2026-11-04
- Australian Museum — Threespot Humbug, Dascyllus trimaculatus (Ruppell, 1829)Checked: 2026-11-07
- Museums Victoria — Threespot Humbug, Dascyllus trimaculatusChecked: 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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