Far Eastern Brook Lamprey vs Lesser Yellow-shouldered Bat

Lethenteron reissneri compared with Sturnira nana

Key Differences

• Far Eastern Brook Lamprey is Least Concern while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Lesser Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Chiroptera (Bats)
Family	Petromyzontidae	Phyllostomidae
Genus	Lethenteron	Sturnira
Species	Lethenteron reissneri	Sturnira nana

Evolutionary Relationship

Far Eastern Brook Lamprey and Lesser Yellow-shouldered Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.