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Blackfish

Actinopyga miliaris

  • Other invertebrates
  • IUCN: Vulnerable
  • Usual depth1–7 m
  • Water temperature25–30 °C
  • Best monthsJuly and September
  • How commonRare
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About this species

Actinopyga miliaris, commonly known as the hairy blackfish, is a species of sea cucumber in the family Holothuriidae. It is native to the tropical West Indo-Pacific region and is harvested for food.

Text from the Wikipedia article “Actinopyga miliaris”, 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: 2 records
  • February: 1 records
  • March: 1 records
  • April: 0 records
  • May: 1 records
  • June: 1 records
  • July: 4 records
  • August: 1 records
  • September: 3 records
  • October: 0 records
  • November: 2 records
  • December: 0 records

Depth and water temperature

Depth

Mostly recorded at 1–7 m · Deepest record: 6.5 m

  • 0–10 m: 4 records

Water temperature

Recorded in surface water of 25–30 °C

  • 24–26 °C: 2 records
  • 26–28 °C: 15 records
  • 28–30 °C: 12 records

Names and classification

English
Blackfish, Hairy Blackfish, Harry Blackfish
Names in 1 more languages
Japanese
チリメンナマコ

Other scientific names: Actinopyga polymorpha, Holothuria miliaris, Muelleria miliaris

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).
  • 144 open-data records from 1833 to 2025.

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