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Blacktail redhorse (Moxostoma poecilurum) — Catostomidae

Blacktail redhorse

Moxostoma poecilurum
Family: Catostomidae
LC · Least Concern

The Blacktail redhorse (Moxostoma poecilurum) is a freshwater fish of the family Catostomidae that grows up to 51 cm.

Length
51 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Small groups
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Southeastern United States; rivers and reservoirs.
Edibility
Rarely eaten

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Description

The blacktail redhorse is a sucker (Catostomidae) from the southeastern United States. The species has an elongate, silvery body with an inferior, fleshy sucking mouth and a conspicuous dark stripe on the tail base and lower tail lobe. It inhabits sandy and rocky pools, runs and riffles of small to medium rivers, and also impoundments. Sucking the bottom, it feeds on insect larvae, small invertebrates and detritus. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blacktail redhorse?

The Blacktail redhorse has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Inferior sucker mouth and a dark caudal stripe; bottom-sucking sucker of the south-eastern USA.

Where does the Blacktail redhorse live?

The Blacktail redhorse lives in fresh water and is mostly found around sand or mud bottom. Southeastern United States; rivers and reservoirs.

How big does the Blacktail redhorse get?

The Blacktail redhorse grows to a maximum of about 51 cm. On average the species is around 26 cm.

Is the Blacktail redhorse dangerous to humans?

No, the Blacktail redhorse is harmless to humans. None required: this species is harmless to humans.

Is the Blacktail redhorse edible?

The Blacktail redhorse is rarely eaten.

More photos

Blacktail redhorse (Moxostoma poecilurum) — Catostomidae — 2
Wikimedia Commons — Clinton & Charles Robertson (CC BY 2.0)
Blacktail redhorse (Moxostoma poecilurum) — Catostomidae — 3
iNaturalist ((c) Micah Shively, some rights reserved (CC BY-NC))
Blacktail redhorse (Moxostoma poecilurum) — Catostomidae — 4
iNaturalist ((c) Daniel Folds, some rights reserved (CC BY-NC))
Blacktail redhorse (Moxostoma poecilurum) — Catostomidae — 5
iNaturalist ((c) Steven Wang, some rights reserved (CC BY-NC))
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All data

Identification

English name
Blacktail redhorse verified
Scientific name
Moxostoma poecilurum
Family
Catostomidae

Appearance

Size class
Large verified
Max length (cm)
51.0 verified
Average length (cm)
25.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Southeastern United States; rivers and reservoirs. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Insect larvae, small invertebrates, diatoms/algae and detritus sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Inferior sucker mouth and a dark caudal stripe; bottom-sucking sucker of the south-eastern USA. sourced

For anglers

Edibility
Rarely 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 Moxostoma

More from the family Catostomidae

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