Bigeye thresher vs Japanese Short-tailed Bat

Alopias pelagicus compared with Eptesicus japonensis

Key Differences

• Bigeye thresher is Endangered while Japanese Short-tailed Bat is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Japanese Short-tailed Bat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Mammalia (Säugetiere)
Order	Lamniformes (Makrelenhaiartige)	Chiroptera (Fledertiere)
Family	Alopiidae	Vespertilionidae
Genus	Alopias	Eptesicus
Species	Alopias pelagicus	Eptesicus japonensis

Evolutionary Relationship

Bigeye thresher and Japanese Short-tailed Bat share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Bigeye thresher

EN — Endangered

Japanese Short-tailed Bat

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Japanese Short-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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

Japanese Short-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.