Bigeye thresher vs Sumatran Serow

Alopias pelagicus compared with Capricornis sumatraensis

Key Differences

• Bigeye thresher is Endangered while Sumatran Serow is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Sumatran Serow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Artiodactyla (Even-toed Ungulates)
Family	Alopiidae	Bovidae (Bovids)
Genus	Alopias	Capricornis
Species	Alopias pelagicus	Capricornis sumatraensis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Sumatran Serow

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Sumatran Serow
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.

Sumatran Serow

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.