Humpback smooth hound vs Nilgiri langur

Mustelus whitneyi compared with Semnopithecus johnii

Key Differences

• Humpback smooth hound is Critically Endangered while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Humpback smooth hound	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Primates (Primates)
Family	Triakidae	Cercopithecidae (Old World Monkeys)
Genus	Mustelus	Semnopithecus
Species	Mustelus whitneyi	Semnopithecus johnii

Evolutionary Relationship

Humpback smooth hound and Nilgiri langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Humpback smooth hound

CR — Critically Endangered

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Humpback smooth hound	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humpback smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically 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.