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Brownback whitefish (Prosopium coulterii) — Salmonidae

Brownback whitefish

Prosopium coulterii
Family: Salmonidae
LC · Least Concern

The Brownback whitefish (Prosopium coulterii) is a freshwater fish of the family Salmonidae that grows up to 28 cm.

Length
28 cm
Water
Freshwater
Depth
18.0–168.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The pygmy whitefish is a small salmonid from cold fresh water of northern North America and East Asia. The species grows to about 28 cm and has a slender, silvery body with an adipose fin and a small, inferior mouth. As a near-bottom fish it lives in cold, deep lakes and clear rivers and feeds on small bottom crustaceans, insect larvae and molluscs. The fish is harmless to humans and has limited commercial value. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Brownback whitefish?

The Brownback whitefish has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern.

Where does the Brownback whitefish live?

The Brownback whitefish lives in fresh water and is mostly found around mixed bottom.

How big does the Brownback whitefish get?

The Brownback whitefish grows to a maximum of about 28 cm. On average the species is around 11 cm.

Is the Brownback whitefish dangerous to humans?

No, the Brownback whitefish is harmless to humans.

Is the Brownback whitefish edible?

The Brownback whitefish is rarely eaten.

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All data

Identification

Dutch name
Dwergmarene verified
English name
Brownback whitefish verified
Scientific name
Prosopium coulterii
Family
Salmonidae
Other names
Coulter's whitefish; Pygmy whitefish verified

Appearance

Size class
Medium verified
Max length (cm)
28.0 verified
Average length (cm)
11.4 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Inferior (downward) sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Min depth (m)
18.0 verified
Max depth (m)
168.0 verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
levensduur_max_jaar
9.0 verified

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Prosopium

More from the family Salmonidae

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