Bigeye thresher vs Nilgiri langur

Alopias pelagicus compared with Semnopithecus johnii

Key Differences

• Bigeye thresher is Endangered while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Nilgiri langur
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Mammalia (Säugetiere)
Order	Lamniformes (Makrelenhaiartige)	Primates (Primaten)
Family	Alopiidae	Cercopithecidae (Old World Monkeys)
Genus	Alopias	Semnopithecus
Species	Alopias pelagicus	Semnopithecus johnii

Evolutionary Relationship

Bigeye thresher and Nilgiri langur share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Bigeye thresher

EN — Endangered

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Nilgiri langur
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.

Nilgiri langur

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.