Blackfin dartfish
Amazing fact
The arrow dartgoby hovers in the water with its dorsal and anal fins held upright.
沖縄美ら海水族館
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An illustration based on the real animal.
A little discovery to share.
The arrow dartgoby hovers in the water with its dorsal and anal fins held upright.
THE REAL WORLD
The real Blackfin dartfish
- Scientific name
- Ptereleotris evides
- Japanese name
- クロユリハゼ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Ptereleotridae
- Genus
- Ptereleotris
Where the name “Blackfin dartfish” comes from
It is said to be named for the black rear of its body, which resembles a lily flower. The scientific name evides comes from Greek and means beautiful.
和歌山県立自然博物館Museums VictoriaIt lives from the Izu and Ogasawara islands, Japan's southern Pacific coast and the Ryukyus to the Indian and Pacific Oceans.
How the Blackfin dartfish lives
Young fish form groups in calmer waters. It feeds on plankton and other food drifting in the water. Adults swim alone or in pairs in bays and near the outer edges of coral reefs.
和歌山県立自然博物館Basic data
- Range
- Pacific coast of southern Japan, Izu and Ogasawara Islands, Ryukyu Islands, and Indian to Pacific Oceans
Where the Blackfin dartfish 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
- クロユリハゼ
- 简体中文
- 黑尾鳍塘鳢
- 繁體中文
- 黑尾凹尾塘鱧
- Português (Brasil)
- Peixe-dardo-veleiro
- Italiano
- Pesce freccia pinne nere
- ไทย
- ปลาบู่นีออน
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 — クロユリハゼChecked: 2026-11-04
- 和歌山県立自然博物館 — ５２ クロユリハゼ （黒百合鯊）Checked: 2026-11-07
- Museums Victoria — Arrow Dartgoby, Ptereleotris evides (Jordan & Hubbs 1925)Checked: 2026-11-07
- 沖縄美ら海水族館 — クロユリハゼ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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