Bigeye thresher vs East Asian Free-tailed Bat

Alopias pelagicus compared with Tadarida insignis

Key Differences

• Bigeye thresher is Endangered while East Asian Free-tailed Bat is Data Deficient.

Taxonomic Classification

Rank	Bigeye thresher	East Asian Free-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Chiroptera (Bats)
Family	Alopiidae	Molossidae
Genus	Alopias	Tadarida
Species	Alopias pelagicus	Tadarida insignis

Evolutionary Relationship

Bigeye thresher and East Asian Free-tailed Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

East Asian Free-tailed Bat

DD — Data Deficient

Physical Characteristics

Attribute	Bigeye thresher	East Asian Free-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.

East Asian Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan