
Half-grey Wrasse
Halichoeres prosopeion
- Usual depth4–20 m
- Water temperature20–30 °C
- Best monthsJune, July, and October
- How commonOccasional
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
Loading the map
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
Water temperature
Recorded in surface water of 20–30 °C
Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) desertnaturalist, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
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
Checkerboard wrasseHalichoeres hortulanus
Canary WrasseHalichoeres chrysus
duskytailed rainbowfishHalichoeres melanurus
- Argus Wrasse
Halichoeres argus
- Biocellated Wrasse
Halichoeres biocellatus
- Black-blotched Rainbowfish
Halichoeres chloropterus
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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