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Striped notothen (Trematomus hansoni) — Nototheniidae

Striped notothen

Trematomus hansoni
Family: Nototheniidae

The Striped notothen (Trematomus hansoni) is a saltwater fish of the family Nototheniidae that grows up to 46 cm.

Length
45.5 cm
Water
Saltwater
Depth
6.0–549.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Ice-cold waters around Antarctica; continental shelf, near the bottom.
Edibility
Rarely eaten

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Description

The striped notothen is an Antarctic notothen (Nototheniidae) from the icy waters around Antarctica. The species has a stocky body with crossbars and is adapted to extreme cold with antifreeze glycoproteins in the blood that prevent freezing. It lives near the bottom on the continental shelf. As an omnivore it feeds on small fishes, krill and other euphausiids, polychaete worms, copepods, isopods and snails. The species is harmless to humans.

Frequently asked questions

How do you recognise the Striped notothen?

The Striped notothen has a torpedo-shaped body, is mainly brown and shows a vertical stripes pattern. Antifreeze glycoproteins against freezing; near-bottom Antarctic notothen with vertical bars.

Where does the Striped notothen live?

The Striped notothen lives in the sea (marine waters) and is mostly found around sand or mud bottom. Ice-cold waters around Antarctica; continental shelf, near the bottom.

How big does the Striped notothen get?

The Striped notothen grows to a maximum of about 46 cm. On average the species is around 25 cm.

Is the Striped notothen dangerous to humans?

No, the Striped notothen is harmless to humans. None required: this species is harmless to humans.

Is the Striped notothen edible?

The Striped notothen is rarely eaten.

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All data

Identification

English name
Striped notothen verified
Scientific name
Trematomus hansoni
Family
Nototheniidae
Other names
Striped rockcod verified

Appearance

Size class
Large verified
Max length (cm)
45.5 verified
Average length (cm)
25.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Vertical bars 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)
6.0 verified
Max depth (m)
549.0 verified
Natural range
Ice-cold waters around Antarctica; continental shelf, near the bottom. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes, krill, worms, copepods, isopods and small snails 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
Antifreeze glycoproteins against freezing; near-bottom Antarctic notothen with vertical bars. 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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