Fin's Fish Guide
The Mountain madtom (Noturus eleutherus) is a freshwater fish of the family Ictaluridae that grows up to 13 cm.
Description
The mountain madtom is a small catfish of the family Ictaluridae from the eastern United States, in the Ohio and Tennessee drainages. The species reaches about 13 cm and has a stocky, brown mottled body with barbels around the mouth. It inhabits clean, fast-flowing, rocky riffles and runs of small to large rivers, often near vegetation. The diet consists of larvae of aquatic insects, especially mayflies. Unlike most catfishes it bears a venomous pectoral spine: a sting gives a painful, bee-sting-like wound.
Frequently asked questions
How do you recognise the Mountain madtom?
The Mountain madtom has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Venomous pectoral fin spine that inflicts a painful, bee-sting-like wound; inhabitant of clean riffles.
Where does the Mountain madtom live?
The Mountain madtom lives in fresh water and is mostly found around sand or mud bottom. Eastern US (Ohio and Tennessee river basins).
How big does the Mountain madtom get?
The Mountain madtom grows to a maximum of about 13 cm. On average the species is around 4 cm.
Is the Mountain madtom dangerous to humans?
The Mountain madtom is venomous — handle spines with care and seek medical help after a sting if needed. The fin spines are venomous and a sting causes acute, burning pain and swelling. Immerse the wound for 30-90 minutes in water as hot as bearable (about 45 C), remove spine fragments and seek medical help for severe reactions.
Is the Mountain madtom edible?
The Mountain madtom is not usually eaten.
More photos
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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
Want the complete picture on the Mountain madtom?
Point your camera at the fish and Fin names the species in seconds. Free, and the Mountain madtom is one of 12,519 species in the app.