Humpback smooth hound vs Large Long-clawed Akodont

Mustelus whitneyi compared with Chelemys megalonyx

Key Differences

• Humpback smooth hound is Critically Endangered while Large Long-clawed Akodont is Near Threatened.

Taxonomic Classification

Rank	Humpback smooth hound	Large Long-clawed Akodont
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Triakidae	Cricetidae
Genus	Mustelus	Chelemys
Species	Mustelus whitneyi	Chelemys megalonyx

Evolutionary Relationship

Humpback smooth hound and Large Long-clawed Akodont share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Humpback smooth hound

CR — Critically Endangered

Large Long-clawed Akodont

NT — Near Threatened

Physical Characteristics

Attribute	Humpback smooth hound	Large Long-clawed Akodont
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.

Large Long-clawed Akodont

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.