Enneapterygius etheostoma
- Usual depth2–8 m
- Water temperature19–25 °C
- Best monthsApril, June, and July
- How commonOccasional
Photo credit: (c) Ben Jobson, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Enneapterygius etheostomus is a species of triplefin blenny in the genus Enneapterygius. It is a temperate blenny known to inhabit rocky shores in the northwestern Pacific Ocean, and swims at a depth range of 0–21 metres It has been described from Japan, China, Korea, Hong Kong, Taiwan, and Vietnam. Male E. etheostomus can reach a maximum length of 5.5 centimetres (2.1in) Both juveniles and adults of the species are known to feed on benthic algae.
Text from the Wikipedia article “Enneapterygius etheostomus”, 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: 5 records
- February: 7 records
- March: 13 records
- April: 30 records
- May: 22 records
- June: 30 records
- July: 24 records
- August: 15 records
- September: 6 records
- October: 8 records
- November: 1 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 2–8 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 19–25 °C
Photos
(c) Ben Jobson, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 1 more languages
- Japanese
- Hebigimpo, ヘビギンポ
Other scientific names: Enneapterygius etheostomus, Rosenblatella etheostoma, Rosenblatella etheostomus, Tripterygium etheostoma
Similar species
Blackthroat TriplefinEnneapterygius atrogulare
Black-cheek ThreefinEnneapterygius rufopileus
Highfin ThreefinEnneapterygius tutuilae
Yellow triplefinEnneapterygius abeli
Hawaiian Blackhead TriplefinEnneapterygius atriceps
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).
- 611 open-data records from 1900 to 2021.
- Species data updated November 2, 2026.
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