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Asian Butterflyfish

Chaetodon argentatus

  • Fish
  • IUCN: Least concern
  • Usual depth2–11 m
  • Water temperature22–29 °C
  • Best monthsJune, July, and August
  • How commonRare
All species

Photo credit: (c) 呂一起(Lyu yi-chi), some rights reserved (CC BY), uploaded by 呂一起(Lyu yi-chi) · CC BY · iNaturalist

About this species

Chaetodon argentatus, the Asian butterflyfish, three band butterflyfish or black pearlscaled butterflyfish, is a species of marine ray-finned fish a butterflyfish belonging to the family Chaetodontidae. It is native to the western Pacific Ocean.

Text from the Wikipedia article “Chaetodon argentatus”, 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: 2 records
  • March: 6 records
  • April: 8 records
  • May: 4 records
  • June: 14 records
  • July: 11 records
  • August: 11 records
  • September: 8 records
  • October: 8 records
  • November: 1 records
  • December: 5 records

Depth and water temperature

Depth

Mostly recorded at 2–11 m · Deepest record: 10.5 m

  • 0–10 m: 3 records
  • 10–20 m: 2 records

Water temperature

Recorded in surface water of 22–29 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 0 records
  • 24–26 °C: 1 records
  • 26–28 °C: 7 records
  • 28–30 °C: 3 records

Names and classification

English
Asian Butterflyfish, Three-band Butterflyfish
Names in 4 more languages
German
Silber-Gitterfalterfisch
Spanish
Pez Mariposa Asiática
Japanese
Kagamichochouo, Kagami-chôchô-uo, カガミチョウチョウウオ
Simplified Chinese
銀身蝴蝶魚, 黑鏡蝶

Other scientific names: Anisochaetodon argentatus

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).
  • 49 open-data records from 1973 to 1991.
  • Species data updated October 26, 2026.

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