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Eyelash Fangblenny

Meiacanthus atrodorsalis

  • Fish
  • IUCN: Least concern
  • Usual depth5–24 m
  • Water temperature24–30 °C
  • Best monthsApril, May, and June
  • How commonOccasional
All species

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

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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

  • 0–10 m: 181 records
  • 10–20 m: 370 records
  • 20–30 m: 254 records
  • 30–40 m: 4 records
  • 40–50 m: 3 records
  • 50–60 m: 2 records

Water temperature

Recorded in surface water of 24–30 °C

  • 24–26 °C: 12 records
  • 26–28 °C: 58 records
  • 28–30 °C: 437 records

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

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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