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Northwest dace (Mylocheilus caurinus) — Cyprinidae

Northwest dace

Mylocheilus caurinus
Family: Cyprinidae
LC · Least Concern

The Northwest dace (Mylocheilus caurinus) is a brackish-water fish of the family Cyprinidae that grows up to 36 cm.

Length
36 cm
Water
Brackish
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The peamouth is a North American minnow (Cyprinidae) from the northwest of the continent. The species has a streamlined, silvery body with two dark lateral stripes and a small mouth, and reaches about 36 cm. It inhabits lakes and slow-flowing reaches of small to medium rivers, often near vegetation, and forms schools; it can tolerate brackish water for short periods. The diet consists of aquatic and terrestrial insects, planktonic crustaceans, molluscs and small fishes. In the past the species was of importance as a game and food fish.

Frequently asked questions

How do you recognise the Northwest dace?

The Northwest dace has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern.

Where does the Northwest dace live?

The Northwest dace lives in brackish water and is mostly found around sand or mud bottom.

How big does the Northwest dace get?

The Northwest dace grows to a maximum of about 36 cm. On average the species is around 20 cm.

Is the Northwest dace dangerous to humans?

No, the Northwest dace is harmless to humans.

Is the Northwest dace edible?

Yes, the Northwest dace is commonly eaten.

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All data

Identification

Dutch name
Erwtenbek sourced
English name
Northwest dace verified
Scientific name
Mylocheilus caurinus
Family
Cyprinidae
Other names
Peamouth; Peamouth chub verified

Appearance

Size class
Medium verified
Max length (cm)
36.0 verified
Average length (cm)
19.8 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly 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

More from the family Cyprinidae

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