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Silver chub (Percopsis omiscomaycus) — Percopsidae

Silver chub

Percopsis omiscomaycus
Family: Percopsidae
LC · Least Concern

The Silver chub (Percopsis omiscomaycus) is a freshwater fish of the family Percopsidae that grows up to 20 cm.

Length
20 cm
Water
Freshwater
Depth
10.0–61.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
North America; lakes, streams and rivers of Canada and the northern United States.
Edibility
Not eaten

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Description

The trout-perch is a small North American freshwater fish of the family Percopsidae that combines features of both trout and perch: it has an adipose fin like salmonids but also spines in its fins. The species grows to about 20 cm and has a translucent, silvery body. It lives in lakes and deep, flowing parts of creeks and rivers, usually over sandy bottoms. At night the trout-perch moves into the shallows to forage on insect larvae, amphipods and small fishes, and by day it returns to deeper water. It is an important forage fish but is not itself eaten.

Frequently asked questions

How do you recognise the Silver chub?

The Silver chub has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Combines a trout-like adipose fin with spines; nocturnal prey fish above sandy bottoms.

Where does the Silver chub live?

The Silver chub lives in fresh water and is mostly found around sand or mud bottom. North America; lakes, streams and rivers of Canada and the northern United States.

How big does the Silver chub get?

The Silver chub grows to a maximum of about 20 cm. On average the species is around 9 cm.

Is the Silver chub dangerous to humans?

No, the Silver chub is harmless to humans. None required: this species is harmless to humans.

Is the Silver chub edible?

The Silver chub is not usually eaten.

More photos

Silver chub (Percopsis omiscomaycus) — Percopsidae — 2
iNaturalist ((c) zroz, some rights reserved (CC BY-NC))
Silver chub (Percopsis omiscomaycus) — Percopsidae — 3
iNaturalist ((c) Maxfield JonasKrueger, some rights reserved (CC BY-NC))
Silver chub (Percopsis omiscomaycus) — Percopsidae — 4
iNaturalist ((c) dexternienhaus, some rights reserved (CC BY-NC))
Silver chub (Percopsis omiscomaycus) — Percopsidae — 5
iNaturalist ((c) paul_sk11, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Silver chub verified
Scientific name
Percopsis omiscomaycus
Family
Percopsidae
Other names
Troutperch; Trout-perch verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Average length (cm)
8.8 verified
Body shape
Elongated (eel-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
Freshwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
10.0 verified
Max depth (m)
61.0 verified
Natural range
North America; lakes, streams and rivers of Canada and the northern United States. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Insect larvae, amphipods and small fishes sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
levensduur_max_jaar
4.0 verified
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Combines a trout-like adipose fin with spines; nocturnal prey fish above sandy bottoms. sourced

For anglers

Edibility
Not 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 Percopsis

More from the family Percopsidae

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