Bigeye thresher vs Namdapha Flying Squirrel

Alopias pelagicus compared with Biswamoyopterus biswasi

Key Differences

• Bigeye thresher is Endangered while Namdapha Flying Squirrel is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Namdapha Flying Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Rodentia (Rodents)
Family	Alopiidae	Sciuridae (Squirrels)
Genus	Alopias	Biswamoyopterus
Species	Alopias pelagicus	Biswamoyopterus biswasi

Evolutionary Relationship

Bigeye thresher and Namdapha Flying Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Namdapha Flying Squirrel

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Namdapha Flying Squirrel
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.

Namdapha Flying Squirrel

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.