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Highfin Threefin

Enneapterygius tutuilae

  • Fish
  • IUCN: Least concern
  • Usual depth3–20 m
  • Water temperature20–30 °C
  • Best monthsApril, May, and November
  • How commonOccasional
All species

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

  • 0–10 m: 75 records
  • 10–20 m: 76 records
  • 20–30 m: 10 records
  • 30–40 m: 6 records
  • 40–50 m: 4 records

Water temperature

Recorded in surface water of 20–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 2 records
  • 24–26 °C: 46 records
  • 26–28 °C: 167 records
  • 28–30 °C: 145 records

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

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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