Is the River Lamprey dangerous to divers?

The River Lamprey is harmless to divers.

How big does the River Lamprey get?

The River Lamprey grows to about 50 cm.

River Lamprey

Lampetra fluviatilis

Group: Other
Max size: 50 cm
For divers: safe
IUCN status: NT

As a larva this lamprey burrows blind in river mud for years, filtering food, then transforms into a toothed adult that latches onto other fish and rasps at their flesh. Most run between sea and river to spawn, though some populations stay landlocked in northern lakes for life.

Taxonomy: Animalia › Chordata › Petromyzonti › Petromyzontiformes › Petromyzontidae › Lampetra

Species data via the World Register of Marine Species (WoRMS), AphiaID 101172.

FAQ

Is the River Lamprey dangerous to divers?: The River Lamprey is harmless to divers.
How big does the River Lamprey get?: The River Lamprey grows to about 50 cm.