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Shortjaw cisco (Coregonus zenithicus) — Salmonidae

Shortjaw cisco

Coregonus zenithicus
Family: Salmonidae

The Shortjaw cisco (Coregonus zenithicus) is a freshwater fish of the family Salmonidae that grows up to 40 cm.

Length
40 cm
Water
Freshwater
Depth
20.0–180.0 m
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
North America: Canada, USA

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Description

The Shortjaw cisco is a whitefish (Salmonidae) from cold waters of the Great Lakes and cold lakes of North America. The species grows to about 40 cm and has a streamlined, silvery body with an adipose fin and a small mouth. As a schooling fish it swims in clear lakes and cold rivers and filters zooplankton and small invertebrates. It is a valued food fish. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Shortjaw cisco?

The Shortjaw cisco has a torpedo-shaped body and is mainly silver-grey.

Where does the Shortjaw cisco live?

The Shortjaw cisco lives in fresh water and is mostly found around sand or mud bottom. North America: Canada, USA

How big does the Shortjaw cisco get?

The Shortjaw cisco grows to a maximum of about 40 cm. On average the species is around 28 cm.

Is the Shortjaw cisco dangerous to humans?

No, the Shortjaw cisco is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Shortjaw cisco (Coregonus zenithicus) — Salmonidae — 2
Wikimedia Commons — David Starr Jordan / Barton Warren Evermann (Public domain)
Fin

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All data

Identification

English name
Shortjaw cisco sourced
Scientific name
Coregonus zenithicus
Family
Salmonidae
Other names
Light-back tullibee; Longjaw cisco; Pale-back tullibee; Shortjaw chub; Shortjaw cisco; Lake Superior longjaw verified

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Average length (cm)
28.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
20.0 verified
Max depth (m)
180.0 verified
Natural range
North America: Canada, USA sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
levensduur_max_jaar
11.0 verified
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

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 verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Coregonus

More from the family Salmonidae

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