Far Eastern Brook Lamprey vs Harmless Serotine

Lethenteron reissneri compared with Eptesicus innoxius

Key Differences

• Far Eastern Brook Lamprey is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Chiroptera (Bats)
Family	Petromyzontidae	Vespertilionidae
Genus	Lethenteron	Eptesicus
Species	Lethenteron reissneri	Eptesicus innoxius

Evolutionary Relationship

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

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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