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Flag-tailed Glassfish

Ambassis miops

  • Fish
  • IUCN: Least concern
  • Usual depth0–1 m
  • Water temperature26–30 °C
  • Best monthsApril, August, and October
  • How commonRare
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About this species

Ambassis miops, commonly known as the flag-tailed glassfish, is a species of ray-finned fish in the family Ambassidae. It is widely distributed in the Indo-Pacific - Cook Islands, Fiji, French Polynesia, Indonesia, New Caledonia, Papua New Guinea, Philippines, Samoa, Solomon Islands, Timor-Leste and Vanuatu. It is found only in a few coastal sites along the North Queensland coast in Australia. A distinguishing feature of this species is a tiny spine is situated above the rear corner of the eye.

Text from the Wikipedia article “Ambassis miops”, 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: 3 records
  • February: 1 records
  • March: 4 records
  • April: 8 records
  • May: 6 records
  • June: 7 records
  • July: 4 records
  • August: 12 records
  • September: 7 records
  • October: 11 records
  • November: 6 records
  • December: 8 records

Depth and water temperature

Depth

Mostly recorded at 0–1 m · Deepest record: 3.5 m

  • 0–10 m: 23 records

Water temperature

Recorded in surface water of 26–30 °C

  • 26–28 °C: 13 records
  • 28–30 °C: 39 records

Names and classification

English
Flag-tailed Glassfish, Flag-tailed Glass Perchlet, Lafa Glassfish
Names in 1 more languages
Japanese
Sesujitakasagoishimochi, セスジタカサゴイシモチ

Other scientific names: Ambassis lafa, Ambassis myops

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).
  • 335 open-data records from 1872 to 2015.
  • Species data updated October 26, 2026.

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