Bigeye thresher vs Giant Noctule

Alopias pelagicus compared with Nyctalus lasiopterus

Key Differences

• Bigeye thresher is Endangered while Giant Noctule is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Giant Noctule
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	Vespertilionidae
Genus	Alopias	Nyctalus
Species	Alopias pelagicus	Nyctalus lasiopterus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Giant Noctule

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Giant Noctule
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.

Giant Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium and Ukraine.

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.