Fin's Fish Guide
The Northern brook lamprey (Ichthyomyzon fossor) is a freshwater fish of the family Petromyzontidae that grows up to 17 cm.
Description
The Northern brook lamprey is a small, non-parasitic lamprey (Petromyzontidae) from fresh water of northern North America. The species grows to about 17 cm and has an eel-shaped, scaleless body without jaws, with a round sucker mouth. The larvae live for years buried in river sediment, filtering detritus and algae; the adults do not feed and spawn shortly after metamorphosis. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Northern brook lamprey?
The Northern brook lamprey has a snake-like body and is mainly brown.
Where does the Northern brook lamprey live?
The Northern brook lamprey lives in fresh water and is mostly found around sand or mud bottom. North America: Canada, USA
How big does the Northern brook lamprey get?
The Northern brook lamprey grows to a maximum of about 17 cm. On average the species is around 13 cm.
Is the Northern brook lamprey dangerous to humans?
No, the Northern brook lamprey 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
Want the complete picture on the Northern brook lamprey?
Point your camera at the fish and Fin names the species in seconds. Free, and the Northern brook lamprey is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ichthyomyzon
More from the family Petromyzontidae
Want the complete picture on the Northern brook lamprey?
Point your camera at the fish and Fin names the species in seconds. Free, and the Northern brook lamprey is one of 12,519 species in the app.