American Brook Lamprey vs Arctic lamprey

Lethenteron appendix compared with Lethenteron camtschaticum

Key Differences

• American Brook Lamprey is Least Concern while Arctic lamprey is Near Threatened.

Taxonomic Classification

Rank	American Brook Lamprey	Arctic lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Petromyzonti (Petromyzonti)	Petromyzonti (Petromyzonti)
Order same	Petromyzontiformes (lamprey)	Petromyzontiformes (lamprey)
Family same	Petromyzontidae	Petromyzontidae
Genus same	Lethenteron	Lethenteron
Species	Lethenteron appendix	Lethenteron camtschaticum

Evolutionary Relationship

American Brook Lamprey and Arctic lamprey share a common ancestor at the Genus level: Lethenteron.

Conservation Status

American Brook Lamprey

LC — Least Concern

Arctic lamprey

NT — Near Threatened

Physical Characteristics

Attribute	American Brook Lamprey	Arctic lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Brook Lamprey

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

Arctic lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

American Brook Lamprey

The American Brook Lamprey (Lethenteron appendix) is a species in the genus Lethenteron. It is currently classified as Least Concern on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Arctic lamprey

The Arctic lamprey (Lethenteron camtschaticum) is a species in the genus Lethenteron. It is currently classified as Near Threatened on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.