Bigeye thresher vs Sumatran surili

Alopias pelagicus compared with Presbytis melalophos

Taxonomic Classification

Rank	Bigeye thresher	Sumatran surili
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Primates (Primates)
Family	Alopiidae	Cercopithecidae (Old World Monkeys)
Genus	Alopias	Presbytis
Species	Alopias pelagicus	Presbytis melalophos

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Sumatran surili

EN — Endangered

Physical Characteristics

Attribute	Bigeye thresher	Sumatran surili
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 surili

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.