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Roughhead shiner (Notropis semperasper) — Cyprinidae

Roughhead shiner

Notropis semperasper
Family: Cyprinidae

The Roughhead shiner (Notropis semperasper) is a freshwater fish of the family Cyprinidae that grows up to 9 cm.

Length
9 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
North America: USA

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Description

The Roughhead shiner is a small minnow (Leuciscidae) from fresh water of the southern United States. The species grows to about 7 cm and has a slender, silvery body; spawning males often colour up. As a schooling fish it swims in clear, flowing rivers and streams and snaps at insects, larvae, small invertebrates and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Roughhead shiner?

The Roughhead shiner has a torpedo-shaped body and is mainly silver-grey.

Where does the Roughhead shiner live?

The Roughhead shiner lives in fresh water and is mostly found around open water. North America: USA

How big does the Roughhead shiner get?

The Roughhead shiner grows to a maximum of about 9 cm. On average the species is around 6 cm.

Is the Roughhead shiner dangerous to humans?

No, the Roughhead shiner 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

Roughhead shiner (Notropis semperasper) — Cyprinidae — 2
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Roughhead shiner sourced
Scientific name
Notropis semperasper
Family
Cyprinidae
Other names
Roughhead shiner verified

Appearance

Size class
Small verified
Max length (cm)
9.0 verified
Average length (cm)
5.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
North America: USA sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
levensduur_max_jaar
4.0 verified
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. 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 Notropis

More from the family Cyprinidae

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