Bigeye thresher vs Little Black Serotine

Alopias pelagicus compared with Eptesicus andinus

Key Differences

• Bigeye thresher is Endangered while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Little Black Serotine
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	Eptesicus
Species	Alopias pelagicus	Eptesicus andinus

Evolutionary Relationship

Bigeye thresher and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Little Black Serotine
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.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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:

🇨🇴 Colombia