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Blackbar filefish (Pervagor janthinosoma) — Monacanthidae

Blackbar filefish

Pervagor janthinosoma
Family: Monacanthidae

The Blackbar filefish (Pervagor janthinosoma) is a saltwater fish of the family Monacanthidae that grows up to 13 cm.

Length
13 cm
Water
Saltwater
Depth
8.0–20.0 m
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless

Description

The blackbar filefish is a filefish (Monacanthidae) from the Indo-West Pacific. The species grows to about 13 cm and has a deep, laterally compressed body with a grey-green head, an orange tail and a conspicuous black bar across the middle. The first dorsal spine can be raised upright. As a reef-dweller it lives on coral and rocky reefs and eats weed, sponges and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Blackbar filefish?

The Blackbar filefish has a flattened, disc-shaped body and is mainly green.

Where does the Blackbar filefish live?

The Blackbar filefish lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Blackbar filefish get?

The Blackbar filefish grows to a maximum of about 13 cm.

Is the Blackbar filefish dangerous to humans?

No, the Blackbar filefish is harmless to humans.

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All data

Identification

Dutch name
Zwartbalk-vijlvis sourced
English name
Blackbar filefish sourced
Scientific name
Pervagor janthinosoma
Family
Monacanthidae
Other names
Blackbar filefish; Ear-spot filefish; Gillblotch leatherjacket verified

Appearance

Size class
Small verified
Max length (cm)
13.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Green sourced
Tail shape
Rounded inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
8.0 verified
Max depth (m)
20.0 verified
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

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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