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Allen's Polly

Dotalabrus alleni

  • Fish
  • IUCN: Least concern
  • Usual depth1–9 m
  • Water temperature17–23 °C
  • Best monthsJanuary, April, and December
  • How commonRare
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Photo credit: (c) Grady Duffy, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

The little rainbow wrasse is a species of marine ray-finned fish which is classified within the wrasse family Labridae. It is found in the south eastern Indian Ocean off Western Australia from the Recherche Archipelago north to the Houtman Abrolhos islands. The specific name honours Dr. Gerald R. Allen who collected the holotype and a number of paratypes, and the brought Barry Russell's attention to this taxon so that he could describe it.

Text from the Wikipedia article “Little rainbow 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: 17 records
  • February: 13 records
  • March: 13 records
  • April: 16 records
  • May: 2 records
  • June: 2 records
  • July: 4 records
  • August: 4 records
  • September: 2 records
  • October: 10 records
  • November: 2 records
  • December: 14 records

Depth and water temperature

Depth

Mostly recorded at 1–9 m · Deepest record: 12.5 m

  • 0–10 m: 13 records
  • 10–20 m: 1 records

Water temperature

Recorded in surface water of 17–23 °C

  • 16–18 °C: 1 records
  • 18–20 °C: 19 records
  • 20–22 °C: 7 records
  • 22–24 °C: 1 records

Names and classification

English
Allen's Polly, Allen's Wrasse, Little Rainbow Wrasse

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).
  • 207 open-data records from 1974 to 1994.
  • Species data updated November 2, 2026.

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