Bigeye thresher vs Lesser bilby

Alopias pelagicus compared with Macrotis leucura

Key Differences

• Bigeye thresher is Endangered while Lesser bilby is Extinct.

Taxonomic Classification

Rank	Bigeye thresher	Lesser bilby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Peramelemorphia (Peramelemorphia)
Family	Alopiidae	Thylacomyidae
Genus	Alopias	Macrotis
Species	Alopias pelagicus	Macrotis leucura

Evolutionary Relationship

Bigeye thresher and Lesser bilby share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Lesser bilby

EX — Extinct

Physical Characteristics

Attribute	Bigeye thresher	Lesser bilby
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.

Lesser bilby

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.