Far Eastern Brook Lamprey vs Patagonian mara

Lethenteron reissneri compared with Dolichotis patagonum

Key Differences

• Far Eastern Brook Lamprey is Least Concern while Patagonian mara is Near Threatened.

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Patagonian mara
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Rodentia (Rodents)
Family	Petromyzontidae	Caviidae
Genus	Lethenteron	Dolichotis
Species	Lethenteron reissneri	Dolichotis patagonum

Evolutionary Relationship

Far Eastern Brook Lamprey and Patagonian mara share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Patagonian mara

NT — Near Threatened

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Patagonian mara
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Patagonian mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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