River Lamprey vs Western Brook Lamprey

Lampetra ayresii compared with Lampetra richardsoni

Taxonomic Classification

Rank	River Lamprey	Western Brook Lamprey
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Petromyzonti (Petromyzonti)	Petromyzonti (Petromyzonti)
Order same	Petromyzontiformes (Lamprey)	Petromyzontiformes (Lamprey)
Family same	Petromyzontidae	Petromyzontidae
Genus same	Lampetra	Lampetra
Species	Lampetra ayresii	Lampetra richardsoni

Evolutionary Relationship

River Lamprey and Western Brook Lamprey share a common ancestor at the Genus level: Lampetra.

Conservation Status

River Lamprey

LC — Least Concern

Western Brook Lamprey

LC — Least Concern

Physical Characteristics

Attribute	River Lamprey	Western Brook Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—