
Highfin Threefin
Enneapterygius tutuilae
- Usual depth3–20 m
- Water temperature20–30 °C
- Best monthsApril, May, and November
- How commonOccasional
Photo credit: (c) Christophe Cadet, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Enneapterygius tutuilae, known commonly as the high-hat triplefin or rosy cheek threefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by David Starr Jordan and Alvin Seale in 1906. This species occurs from the eastern Indian Ocean around the Cocos (Keeling) Islands east to French Polynesia. Its specific name refers to the Samoan island of Tutuila where the type was collected.
Text from the Wikipedia article “Enneapterygius tutuilae”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 35 records
- February: 38 records
- March: 12 records
- April: 45 records
- May: 55 records
- June: 20 records
- July: 14 records
- August: 19 records
- September: 33 records
- October: 28 records
- November: 65 records
- December: 15 records
Depth and water temperature
Depth
Mostly recorded at 3–20 m · Deepest record: 43 m
Water temperature
Recorded in surface water of 20–30 °C
Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Highfin Threefin, Highfin Triplefin, High-hat Triplefin, High Hat Triplefin, Rosy-cheek Threefin
Names in 1 more languages
- Japanese
- Segurohebigimpo, セグロヘビギンポ
Similar species
- Blacktail Threefin
Enneapterygius bahasa
- 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).
- 775 open-data records from 1906 to 2023.
- Species data updated October 26, 2026.
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