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Christmas wrasse

Thalassoma trilobatum

  • Fish
  • IUCN: Least concern
  • Usual depth2–10 m
  • Water temperature21–29 °C
  • Best monthsAugust, September, and October
  • How commonOccasional
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About this species

The Christmas wrasse, also known as the ladder wrasse, green-barred wrasse or green-blocked wrasse, is a species of ray-finned fish, a wrasse from the family Labridae which is native to the Indian Ocean and the western Pacific Ocean. It inhabits shallow reefs at depths from the surface to 10 m (33 ft). It is of minor importance to local commercial fisheries and can be found in the aquarium trade.

Text from the Wikipedia article “Christmas wrasse”, 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: 5 records
  • February: 36 records
  • March: 103 records
  • April: 114 records
  • May: 82 records
  • June: 67 records
  • July: 86 records
  • August: 168 records
  • September: 229 records
  • October: 152 records
  • November: 51 records
  • December: 16 records

Depth and water temperature

Depth

Mostly recorded at 2–10 m · Deepest record: 35 m

  • 0–10 m: 942 records
  • 10–20 m: 105 records
  • 20–30 m: 10 records
  • 30–40 m: 1 records

Water temperature

Recorded in surface water of 21–29 °C

  • 20–22 °C: 13 records
  • 22–24 °C: 52 records
  • 24–26 °C: 190 records
  • 26–28 °C: 85 records
  • 28–30 °C: 91 records

Names and classification

English
Christmas wrasse, Green-barred Wrasse, Green-blocked Wrasse, Ladder Wrasse, Parrotfish
Names in 5 more languages
German
Weihnachts-Junker
Spanish
Doncella Navideña, Señorita de Navidad
French
Girelle de Noël, Girelle-paon clown, Labre de Christmas, Marar
Japanese
Ryugubera, Ryûgûbera, リュウグウベラ
Simplified Chinese
三叶锦鱼, 三葉葉鯛, 三葉錦魚, 四齒, 礫仔, 綠斑葉鯛, 貓仔魚, 青貢冷

Other scientific names: Labrus fuscus, Labrus trilobatus, Thalassoma fuscum, Thalassoma fuscus

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).
  • 1,649 open-data records from 1902 to 2023.

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