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Frecklebelly madtom (Noturus munitus) — Ictaluridae

Frecklebelly madtom

Noturus munitus
Family: Ictaluridae

The Frecklebelly madtom (Noturus munitus) is a freshwater fish of the family Ictaluridae that grows up to 10 cm.

Length
9.5 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
North America: USA

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Description

The frecklebelly madtom is a small madtom catfish (Ictaluridae) from fresh water of the southeastern United States. The species grows to about 10 cm and has a stocky, yellow-brown body with dark saddle blotches, barbels and an adipose fin fused to the tail fin. As a nocturnal bottom-dweller it shelters by day among gravel and wood of clear streams. The pectoral spines carry venom and can cause a painful sting; handle with care.

Frequently asked questions

How do you recognise the Frecklebelly madtom?

The Frecklebelly madtom has an elongate, eel-like body, is mainly brown and shows a spots pattern. Bears venomous spines or tissue; handle with great care.

Where does the Frecklebelly madtom live?

The Frecklebelly madtom lives in fresh water and is mostly found around sand or mud bottom. North America: USA

How big does the Frecklebelly madtom get?

The Frecklebelly madtom grows to a maximum of about 10 cm. On average the species is around 6 cm.

Is the Frecklebelly madtom dangerous to humans?

The Frecklebelly madtom is venomous — handle spines with care and seek medical help after a sting if needed. Rinse the wound with clean water and remove any visible spine fragments. Immerse the affected part for 30-90 minutes in water as hot as can be tolerated (about 45C, not scalding) to break down the venom. For severe pain, swelling or signs of infection seek medical help and check tetanus status.

More photos

Frecklebelly madtom (Noturus munitus) — Ictaluridae — 2
iNaturalist ((c) Noah D, some rights reserved (CC BY-NC))
Frecklebelly madtom (Noturus munitus) — Ictaluridae — 3
iNaturalist ((c) david_pounders117, some rights reserved (CC BY-NC))
Frecklebelly madtom (Noturus munitus) — Ictaluridae — 4
iNaturalist ((c) Cristian Hernandez, some rights reserved (CC BY-NC))
Frecklebelly madtom (Noturus munitus) — Ictaluridae — 5
Wikimedia Commons — Dick Biggins, USFWS (Public domain)
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All data

Identification

English name
Frecklebelly madtom sourced
Scientific name
Noturus munitus
Family
Ictaluridae
Other names
Frecklebelly madtom verified

Appearance

Size class
Small verified
Max length (cm)
9.5 verified
Average length (cm)
5.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred
Barbels
Yes sourced

Habitat & distribution

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

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bears venomous spines or tissue; handle with great care. 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
Venomous / poisonous verified
First aid
Rinse the wound with clean water and remove any visible spine fragments. Immerse the affected part for 30-90 minutes in water as hot as can be tolerated (about 45C, not scalding) to break down the venom. For severe pain, swelling or signs of infection seek medical help and check tetanus status. sourced

Status & sources

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

Same genus Noturus

More from the family Ictaluridae

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