Species guide
How to catch Pacific lamprey
Entosphenus tridentatus

The Pacific lamprey is an eel-like fish known for its parasitic feeding habits. It spends much of its life in the ocean before returning to freshwater to spawn. This species inhabits diverse aquatic environments from shallow streams to deep ocean waters.
Where they live
Native to the Pacific coast of North America and parts of Asia, Pacific lampreys migrate between the ocean and clear coastal streams where they spawn and develop. They can be found in freshwater, brackish, and saltwater habitats, from shallow riffles to deep ocean zones.
Typical size
Up to about 76 cm
What they eat
- Fish blood and bodily fluids (parasite on other fish)
How to fish for them
- netting
- trapping
Track every Pacific lamprey you catch.
Bobbr turns each catch into a species collection, quests, and streaks. We're building it now — join the iOS waitlist for $19 lifetime founding access.
Claim founding access