Fin's Fish Guide
The Rustyside sucker (Thoburnia hamiltoni) is a freshwater fish of the family Catostomidae that grows up to 18 cm.
Description
The rustyside sucker is a sucker (Catostomidae) from clear, cool mountain streams of the southeastern United States. The species grows to about 12 cm and has a stocky body with an inferior, fleshy sucker mouth; in the breeding season the flanks turn rusty red. As a bottom-dweller it sucks small invertebrates, insect larvae, algae and detritus from gravel and stones. Through its limited range the species is sensitive to habitat loss. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Rustyside sucker?
The Rustyside sucker has an elongate, eel-like body and is mainly brown.
Where does the Rustyside sucker live?
The Rustyside sucker lives in fresh water and is mostly found around sand or mud bottom. North America: USA
How big does the Rustyside sucker get?
The Rustyside sucker grows to a maximum of about 18 cm. On average the species is around 11 cm.
Is the Rustyside sucker dangerous to humans?
No, the Rustyside sucker 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.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Thoburnia
More from the family Catostomidae
Want the complete picture on the Rustyside sucker?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rustyside sucker is one of 12,519 species in the app.