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Half-grey Wrasse

Halichoeres prosopeion

  • Fish
  • IUCN: Least concern
  • Usual depth4–20 m
  • Water temperature20–30 °C
  • Best monthsJune, July, and October
  • How commonOccasional
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Photo credit: (c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Halichoeres prosopeion, commonly called the twotone wrasse, half-grey wrasse or zig-zag wrasse, is a fish species in the wrasse family native to the western Pacific Ocean.

Text from the Wikipedia article “Halichoeres prosopeion”, 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: 89 records
  • February: 81 records
  • March: 98 records
  • April: 143 records
  • May: 73 records
  • June: 221 records
  • July: 181 records
  • August: 178 records
  • September: 121 records
  • October: 224 records
  • November: 95 records
  • December: 62 records

Depth and water temperature

Depth

Mostly recorded at 4–20 m · Deepest record: 55 m

  • 0–10 m: 484 records
  • 10–20 m: 298 records
  • 20–30 m: 64 records
  • 30–40 m: 17 records
  • 40–50 m: 5 records
  • 50–60 m: 2 records

Water temperature

Recorded in surface water of 20–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 7 records
  • 24–26 °C: 38 records
  • 26–28 °C: 280 records
  • 28–30 °C: 245 records

Names and classification

English
Half-grey Wrasse, Two-tone wrasse, Twotone Wrasse, Zig-zag Wrasse
Names in 5 more languages
German
Graukopf-Junker
Filipino
Bankilan, Bungat, Isdang bato, Mameng
French
Labre bicolore
Japanese
Munatemberadamashi, Munatenbera-damashi, ムナテンベラダマシ
Simplified Chinese
柳冷仔, 雲紋海豬魚, 黑頭龍, 黑額儒艮鯛

Other scientific names: Halichoeres prosopein, Halichoeris prosopeion, Julis prosopeion

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).
  • 1,372 open-data records from 1969 to 2023.
  • Species data updated October 26, 2026.

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