Ceylon Spiny Mouse vs Humpback smooth hound

Mus fernandoni compared with Mustelus whitneyi

Key Differences

• Ceylon Spiny Mouse is Endangered while Humpback smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Ceylon Spiny Mouse	Humpback smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Muridae (Mice & Rats)	Triakidae
Genus	Mus (House Mice)	Mustelus
Species	Mus fernandoni	Mustelus whitneyi

Evolutionary Relationship

Ceylon Spiny Mouse and Humpback smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ceylon Spiny Mouse

EN — Endangered

Humpback smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Ceylon Spiny Mouse	Humpback smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ceylon Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Ceylon Spiny Mouse

The Ceylon Spiny Mouse (Mus fernandoni) is a species in the genus Mus. It is currently classified as Endangered on the IUCN Red List.