The Northern madtom (Noturus stigmosus) is a freshwater fish of the family Ictaluridae that grows up to 13 cm.
Description
The Northern madtom is a madtom (Ictaluridae) from fresh water of the Ohio and Mississippi systems in the eastern United States. The species grows to about 8 cm and has a stocky, brownish body with barbels, a flattened head and an adipose fin fold fused to the tail. As a nocturnal bottom-dweller it shelters by day under stones, wood and leaf litter of clear streams and snaps at insect larvae and small invertebrates. The pectoral spines are venomous and can give a painful puncture wound.
Frequently asked questions
How do you recognise the Northern madtom?
The Northern madtom has an elongate, eel-like body and is mainly brown.
Where does the Northern madtom live?
The Northern madtom lives in fresh water and is mostly found around stony or rocky ground.
How big does the Northern madtom get?
The Northern madtom grows to a maximum of about 13 cm. On average the species is around 7 cm.
Is the Northern madtom dangerous to humans?
The Northern madtom is venomous — handle spines with care and seek medical help after a sting if needed.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Noturus
More from the family Ictaluridae
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