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Bigeye frostfish (Benthodesmus pacificus) — Trichiuridae

Bigeye frostfish

Benthodesmus pacificus
Family: Trichiuridae

The Bigeye frostfish (Benthodesmus pacificus) is a saltwater fish of the family Trichiuridae that grows up to 112 cm.

Length
112 cm
Water
Saltwater
Depth
100.0–1000.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Snake-like
Substrate
Mixed bottom
Danger
Harmless
Range
Pacific Ocean; deeper water from ~300 m.
Edibility
Rarely eaten

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Description

The Pacific frostfish is a cutlassfish relative (Trichiuridae) from the Pacific Ocean. The species has an extremely elongate, ribbon-shaped, silvery body with a long dorsal fin and a large mouth with fine, fang-like teeth. It lives in deeper water, from about three hundred metres and deeper, and sometimes migrates to shallower layers. As a predator it hunts crustaceans and small fishes. The species is harmless to humans.

Frequently asked questions

How do you recognise the Bigeye frostfish?

The Bigeye frostfish has a snake-like body, is mainly silver-grey and shows a plain pattern. Extremely long, ribbon-shaped silvery body with fang-like teeth; deep-water predator.

Where does the Bigeye frostfish live?

The Bigeye frostfish lives in the sea (marine waters) and is mostly found around mixed bottom. Pacific Ocean; deeper water from ~300 m.

How big does the Bigeye frostfish get?

The Bigeye frostfish grows to a maximum of about 112 cm.

Is the Bigeye frostfish dangerous to humans?

No, the Bigeye frostfish is harmless to humans. None required: this species is harmless to humans.

Is the Bigeye frostfish edible?

The Bigeye frostfish is rarely eaten.

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All data

Identification

English name
Bigeye frostfish verified
Scientific name
Benthodesmus pacificus
Family
Trichiuridae
Other names
North Pacific frostfish; North-Pacific frostfish verified

Appearance

Size class
Extra large verified
Max length (cm)
112.0 verified
Body shape
Snake-like sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Mixed bottom sourced
Min depth (m)
100.0 verified
Max depth (m)
1000.0 verified
Natural range
Pacific Ocean; deeper water from ~300 m. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Crustaceans and small fishes 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
Extremely long, ribbon-shaped silvery body with fang-like teeth; deep-water predator. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. 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 Benthodesmus

More from the family Trichiuridae

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