
Eyelash Fangblenny
Meiacanthus atrodorsalis
- Usual depth5–24 m
- Water temperature24–30 °C
- Best monthsApril, May, and June
- How commonOccasional
Photo credit: (c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Meiacanthus atrodorsalis, the forktail blenny, is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species grows to a length of 11 centimetres (4.3 in) TL. This venomous species can also be found in the aquarium trade. It is also known as the eyelash harptail-blenny, poison-fang blenny or the yellowtail poison-fang blenny.
Text from the Wikipedia article “Meiacanthus atrodorsalis”, 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: 78 records
- February: 180 records
- March: 130 records
- April: 256 records
- May: 193 records
- June: 243 records
- July: 94 records
- August: 101 records
- September: 118 records
- October: 139 records
- November: 97 records
- December: 52 records
Depth and water temperature
Depth
Mostly recorded at 5–24 m · Deepest record: 58 m
Water temperature
Recorded in surface water of 24–30 °C
Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Donald Davesne, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Eyelash Fangblenny, Eyelash Harp-tail, Eye-lash Harptail Blenny, Eyelash Harptail Blenny, Forktail Blenny, Lyretail Blenny, Yellowtail Fangblenny, Yellowtail Poison-fang Blenny
Names in 3 more languages
- French
- Blennie à bande noire
- Japanese
- Ogonnijigimpo, オウゴンニジギンポ
- Simplified Chinese
- 金鰭稀棘䲁
Other scientific names: Petroscirtes atrodorsalis, Petroscirtes herlihyi
Similar species
Black-banded BlennyMeiacanthus grammistes
Doublepore FangblennyMeiacanthus ditrema
- Freshwater Fangblenny
Meiacanthus anema
Mimic blennyAspidontus taeniatus
Black BlennyAtrosalarias holomelas
Bluespotted BlennyBlenniella chrysospilos
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).
- 1,971 open-data records from 1902 to 2023.
- Species data updated October 27, 2026.
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