Pacific Lamprey vs Pit-klamath Brook Lamprey

Entosphenus tridentatus compared with Entosphenus lethophagus

Taxonomic Classification

Rank	Pacific Lamprey	Pit-klamath Brook Lamprey
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Petromyzonti (七鳃鳗纲)	Petromyzonti (七鳃鳗纲)
Order same	Petromyzontiformes (七鰓鰻目)	Petromyzontiformes (七鰓鰻目)
Family same	Petromyzontidae	Petromyzontidae
Genus same	Entosphenus	Entosphenus
Species	Entosphenus tridentatus	Entosphenus lethophagus

Evolutionary Relationship

Pacific Lamprey and Pit-klamath Brook Lamprey share a common ancestor at the Genus level: Entosphenus.

Conservation Status

Pacific Lamprey

LC — Least Concern

Pit-klamath Brook Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Pacific Lamprey	Pit-klamath Brook Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—