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Greater redhorse (Moxostoma valenciennesi) — Catostomidae

Greater redhorse

Moxostoma valenciennesi
Family: Catostomidae

The Greater redhorse (Moxostoma valenciennesi) is a freshwater fish of the family Catostomidae that grows up to 80 cm.

Length
80 cm
Water
Freshwater
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
North America: Canada, USA
Edibility
Rarely eaten

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Description

The greater redhorse is a large sucker (Catostomidae) from fresh water of eastern North America. The species grows to about 80 cm and has a robust, elongate, bronze to copper-coloured body with a thick, underslung sucker mouth and conspicuously red fins. As a bottom-dweller it sucks up molluscs, small invertebrates and detritus over gravel and stone bottoms of clear rivers and lakes. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Greater redhorse?

The Greater redhorse has an elongate, eel-like body and is mainly red-orange.

Where does the Greater redhorse live?

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

How big does the Greater redhorse get?

The Greater redhorse grows to a maximum of about 80 cm. On average the species is around 53 cm.

Is the Greater redhorse dangerous to humans?

No, the Greater redhorse 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.

Is the Greater redhorse edible?

The Greater redhorse is rarely eaten.

More photos

Greater redhorse (Moxostoma valenciennesi) — Catostomidae — 2
iNaturalist ((c) moxostoma, some rights reserved (CC BY))
Greater redhorse (Moxostoma valenciennesi) — Catostomidae — 3
iNaturalist ((c) tightontanago, some rights reserved (CC BY-NC))
Greater redhorse (Moxostoma valenciennesi) — Catostomidae — 4
benlaplante (CC BY-NC 4.0) via GBIF — iNaturalist
Greater redhorse (Moxostoma valenciennesi) — Catostomidae — 5
Wikimedia Commons — Ellen Edmonson and Hugh Chrisp (Public domain)
Fin

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All data

Identification

English name
Greater redhorse sourced
Scientific name
Moxostoma valenciennesi
Family
Catostomidae
Other names
Greater redhorse verified

Appearance

Size class
Large verified
Max length (cm)
80.0 verified
Average length (cm)
52.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Red / orange sourced
Tail shape
Forked inferred
Mouth position
Inferior (downward) sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
North America: Canada, USA sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Edibility
Rarely eaten inferred
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 Moxostoma

More from the family Catostomidae

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