Fin's Fish Guide
The Western brook lamprey (Lampetra richardsoni) is a freshwater fish of the family Petromyzontidae that grows up to 17 cm.
Description
The western brook lamprey is a small, jawless lamprey (Petromyzontidae) from freshwater streams of western North America. The species grows to about 17 cm and has an eel-like, scaleless body with a round sucking mouth and seven gill openings. The larvae live for years buried as filter feeders in stream sediment; the non-parasitic adults no longer feed and breed after metamorphosis, then die. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Western brook lamprey?
The Western brook lamprey has a snake-like body and is mainly brown.
Where does the Western brook lamprey live?
The Western brook lamprey lives in fresh water and is mostly found around sand or mud bottom. North America: Canada, USA, Alaska
How big does the Western brook lamprey get?
The Western brook lamprey grows to a maximum of about 17 cm.
Is the Western brook lamprey dangerous to humans?
No, the Western 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
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Lampetra
More from the family Petromyzontidae
Want the complete picture on the Western brook lamprey?
Point your camera at the fish and Fin names the species in seconds. Free, and the Western brook lamprey is one of 12,519 species in the app.