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Japanese boarfish (Evistias acutirostris) — Pentacerotidae

Japanese boarfish

Evistias acutirostris

The Japanese boarfish (Evistias acutirostris) is a saltwater fish of the family Pentacerotidae that grows up to 90 cm.

Length
90 cm
Water
Saltwater
Depth
18.0–193.0 m
Diet
Carnivore
Behaviour
Small groups
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Subtropical Pacific Ocean; reef and sandy bottoms near deep drop-offs.
Edibility
Rarely eaten

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Description

The striped boarfish is a boarfish (Pentacerotidae) from the subtropical Pacific. The species has a deep, laterally compressed body with broad black vertical bands, a pointed snout and elongated dorsal fin rays. It lives near the bottom over reef and sand and is found in pairs or small groups at deep rocky drop-offs. With its small mouth it picks bottom invertebrates such as crustaceans and molluscs. The species is harmless to humans.

Frequently asked questions

How do you recognise the Japanese boarfish?

The Japanese boarfish has a flattened, disc-shaped body, is mainly white and shows a vertical stripes pattern. Broad black vertical bands and elongated dorsal fin rays; boarfish of deep drop-offs.

Where does the Japanese boarfish live?

The Japanese boarfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Subtropical Pacific Ocean; reef and sandy bottoms near deep drop-offs.

How big does the Japanese boarfish get?

The Japanese boarfish grows to a maximum of about 90 cm.

Is the Japanese boarfish dangerous to humans?

No, the Japanese boarfish is harmless to humans. None required: this species is harmless to humans.

Is the Japanese boarfish edible?

The Japanese boarfish is rarely eaten.

More photos

Japanese boarfish (Evistias acutirostris) — Pentacerotidae — 2
Randall, John E. (CC0 1.0) via GBIF — USNM
Japanese boarfish (Evistias acutirostris) — Pentacerotidae — 3
Randall, John E. (CC0 1.0) via GBIF — USNM
Japanese boarfish (Evistias acutirostris) — Pentacerotidae — 4
iNaturalist ((c) Malcolm Francis, some rights reserved (CC BY-NC))
Japanese boarfish (Evistias acutirostris) — Pentacerotidae — 5
iNaturalist ((c) pcaiger, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Japanese boarfish verified
Scientific name
Evistias acutirostris
Family
Pentacerotidae
Other names
Striped boarfish; Whiskered armorhead; Whiskered boarfish verified

Appearance

Size class
Extra large verified
Max length (cm)
90.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
White inferred
Pattern
Vertical bars inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
18.0 verified
Max depth (m)
193.0 verified
Natural range
Subtropical Pacific Ocean; reef and sandy bottoms near deep drop-offs. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Benthic invertebrates such as crustaceans and molluscs sourced
Social behaviour
Small groups 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
Broad black vertical bands and elongated dorsal fin rays; boarfish of deep drop-offs. sourced

For anglers

Edibility
Rarely 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

More from the family Pentacerotidae

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