Home · Nototheniidae · Blunt scalyhead

Blunt scalyhead

Trematomus eulepidotus
Family: Nototheniidae

The Blunt scalyhead (Trematomus eulepidotus) is a saltwater fish of the family Nototheniidae that grows up to 35 cm.

Length
34.5 cm
Water
Saltwater
Depth
70.0–650.0 m
Diet
Carnivore
Behaviour
Small groups
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Ice-cold waters around Antarctica; shallower banks of the continental shelf.
Edibility
Rarely eaten

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Description

The bigeye notothen is an Antarctic notothen (Nototheniidae) from the icy waters around Antarctica. The species has a stocky body with a large head and large eyes and is adapted to temperatures around freezing by antifreeze proteins in its blood. It is most common on shallower banks of the continental shelf, usually less than 250 metres deep. It feeds on zooplankton and small bottom invertebrates. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blunt scalyhead?

The Blunt scalyhead has a torpedo-shaped body, is mainly brown and shows a spots pattern. Large eyes and antifreeze proteins in the blood; Antarctic icefish of shallow shelf banks.

Where does the Blunt scalyhead live?

The Blunt scalyhead lives in the sea (marine waters) and is mostly found around sand or mud bottom. Ice-cold waters around Antarctica; shallower banks of the continental shelf.

How big does the Blunt scalyhead get?

The Blunt scalyhead grows to a maximum of about 35 cm.

Is the Blunt scalyhead dangerous to humans?

No, the Blunt scalyhead is harmless to humans. None required: this species is harmless to humans.

Is the Blunt scalyhead edible?

The Blunt scalyhead is rarely eaten.

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All data

Identification

English name
Blunt scalyhead verified
Scientific name
Trematomus eulepidotus
Family
Nototheniidae
Other names
Blunt scalyhead verified

Appearance

Size class
Medium verified
Max length (cm)
34.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Straight 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
Sand / mud bottom sourced
Min depth (m)
70.0 verified
Max depth (m)
650.0 verified
Natural range
Ice-cold waters around Antarctica; shallower banks of the continental shelf. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton and small benthic invertebrates 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
Large eyes and antifreeze proteins in the blood; Antarctic icefish of shallow shelf banks. 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 Trematomus

More from the family Nototheniidae

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