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Redtail filefish

Pervagor melanocephalus

  • Fish
  • IUCN: Least concern
  • Usual depth4–35 m
  • Water temperature20–30 °C
  • Best monthsMarch, October, and November
  • How commonRare
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Photo credit: (c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

Pervagor melanocephalus is a filefish from the Indo-West Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 16 cm (6.3 in) in length.

Text from the Wikipedia article “Pervagor melanocephalus”, 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: 15 records
  • February: 20 records
  • March: 28 records
  • April: 11 records
  • May: 25 records
  • June: 23 records
  • July: 25 records
  • August: 11 records
  • September: 26 records
  • October: 34 records
  • November: 31 records
  • December: 15 records

Depth and water temperature

Depth

Mostly recorded at 4–35 m · Deepest record: 170 m

  • 0–10 m: 11 records
  • 10–20 m: 24 records
  • 20–30 m: 12 records
  • 30–40 m: 6 records
  • 40–50 m: 0 records
  • 50–60 m: 0 records
  • 60–70 m: 0 records
  • 70–80 m: 1 records
  • 80–90 m: 0 records
  • 90–100 m: 0 records
  • 100–110 m: 0 records
  • 110+ m: 2 records

Water temperature

Recorded in surface water of 20–30 °C

  • 20–22 °C: 3 records
  • 22–24 °C: 2 records
  • 24–26 °C: 27 records
  • 26–28 °C: 60 records
  • 28–30 °C: 58 records

Names and classification

English
Redtail filefish, Blackheaded Filefish, Black-headed Leather-jacket, Black-headed Leatherjacket, Blackheaded Leatherjacket, Blackhead Filefish, Blackhead Leatherjacket, Dark-headed Leatherjacket, Lace-finned Leatherjacket, redtail filefish
Names in 2 more languages
Japanese
Nuriwakekawahagi, ヌリワケカワハギ
Simplified Chinese
紅尾皮剝魨, 紅尾砲彈, 黑头前角鲀, 黑頭前角單棘魨, 黑頭前角魨

Other scientific names: Acreichthys melanocephalus, Monacanthus melanocephalus, Stephanolepis melanocephalus

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).
  • 272 open-data records from 1902 to 2023.
  • Species data updated October 30, 2026.

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