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Blackhead filefish (Pervagor melanocephalus) — Monacanthidae

Blackhead filefish

Pervagor melanocephalus
Family: Monacanthidae
LC · Least Concern

The Blackhead filefish (Pervagor melanocephalus) is a saltwater fish of the family Monacanthidae that grows up to 16 cm.

Length
16 cm
Water
Saltwater
Depth
20.0–40.0 m
Diet
Omnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Indo-West Pacific; clear coastal and sheltered outer reefs.
Edibility
Not eaten

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Description

The blackheaded filefish is a filefish (Monacanthidae) from the Indo-West Pacific. The species has a deep, laterally compressed body with a rough, file-like skin; the head and front are dark and the rear body and tail are orange-red. It inhabits clear inshore reefs and protected outer reefs rich in invertebrates, usually on somewhat deeper parts. It feeds on small invertebrates and growth. With its lockable dorsal spine it can wedge itself into crevices. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blackhead filefish?

The Blackhead filefish has a flattened, disc-shaped body, is mainly red-orange and shows a plain pattern. Dark head and an orange-red rear body; lockable dorsal fin spine to wedge itself in place.

Where does the Blackhead filefish live?

The Blackhead filefish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-West Pacific; clear coastal and sheltered outer reefs.

How big does the Blackhead filefish get?

The Blackhead filefish grows to a maximum of about 16 cm.

Is the Blackhead filefish dangerous to humans?

No, the Blackhead filefish is harmless to humans. None required: this species is harmless to humans.

Is the Blackhead filefish edible?

The Blackhead filefish is not usually eaten.

More photos

Blackhead filefish (Pervagor melanocephalus) — Monacanthidae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Blackhead filefish (Pervagor melanocephalus) — Monacanthidae — 3
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Blackhead filefish (Pervagor melanocephalus) — Monacanthidae — 4
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Blackhead filefish (Pervagor melanocephalus) — Monacanthidae — 5
Wikimedia Commons — Pierre Pericard (CC BY 4.0)
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All data

Identification

English name
Blackhead filefish verified
Scientific name
Pervagor melanocephalus
Family
Monacanthidae
Other names
Black-head filefish; Blackhead leatherjacket; Blackheaded filefish; Black-headed leatherjacket; Redtail filefish; Dark-headed leatherjacket; Lace-finned leatherjacket verified

Appearance

Size class
Medium verified
Max length (cm)
16.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Red / orange inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
20.0 verified
Max depth (m)
40.0 verified
Natural range
Indo-West Pacific; clear coastal and sheltered outer reefs. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Small invertebrates and biofilm sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Dark head and an orange-red rear body; lockable dorsal fin spine to wedge itself in place. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Pervagor

More from the family Monacanthidae

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