Harmless Serotine vs Taiwan spurdog

Eptesicus innoxius compared with Squalus formosus

Key Differences

• Harmless Serotine is Near Threatened while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Harmless Serotine	Taiwan spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Chiroptera (Bats)	Squaliformes (Squaliformes)
Family	Vespertilionidae	Squalidae
Genus	Eptesicus	Squalus
Species	Eptesicus innoxius	Squalus formosus

Evolutionary Relationship

Harmless Serotine and Taiwan spurdog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Harmless Serotine	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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