
Redtail filefish
Pervagor melanocephalus
- Usual depth4–35 m
- Water temperature20–30 °C
- Best monthsMarch, October, and November
- How commonRare
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
Loading the map
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
Water temperature
Recorded in surface water of 20–30 °C
Photos

(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Bernard DUPONT, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist
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
Orangetail filefishPervagor aspricaudus
Blackbar filefishPervagor janthinosoma
Black-lined FilefishPervagor nigrolineatus
LeatherjacketAluterus monoceros
Scrawled filefishAluterus scriptus
Spiny-tailed LeatherjacketAcanthaluteres brownii
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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