Blacktail Threefin
Enneapterygius bahasa
- Usual depth1–5 m
- Water temperature24–29 °C
- Best monthsApril and May
- How commonRare
About this species
Enneapterygius bahasa, blacktail triplefin, also known as the blacktail threefin in Australia, is a species of threefin blenny in the genus Enneapterygius. It was described by German ichthyologist Ronald Fricke in 1997, and earns its common name from its black caudal fins. It is known from reefs in the western Pacific Ocean.
Text from the Wikipedia article “Enneapterygius bahasa”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 0 records
- March: 0 records
- April: 4 records
- May: 3 records
- June: 0 records
- July: 0 records
- August: 1 records
- September: 0 records
- October: 2 records
- November: 1 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 1–5 m · Deepest record: 6 m
Water temperature
Recorded in surface water of 24–29 °C
Names and classification
- English
- Blacktail Threefin, Blacktail Triplefin
Names in 1 more languages
- Japanese
- Gomafuhebigimpo, ゴマフヘビギンポ
Similar species
Highfin ThreefinEnneapterygius tutuilae
- Northern Bicoloured Triplefin
Enneapterygius flavoccipitis
- Blackbelly Triplefin
Enneapterygius fuscoventer
- Blackbelly Triplefin
Enneapterygius hemimelas
- Minute Triplefin
Enneapterygius minutus
- Blacktail Triplefin
Enneapterygius nigricauda
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 28 open-data records from 1957 to 2012.
- Species data updated October 26, 2026.
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