Caribbean roughshark vs Polynesian rat

Oxynotus caribbaeus compared with Rattus exulans

Taxonomic Classification

Rank	Caribbean roughshark	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Oxynotidae	Muridae (Mice & Rats)
Genus	Oxynotus	Rattus
Species	Oxynotus caribbaeus	Rattus exulans

Evolutionary Relationship

Caribbean roughshark and Polynesian rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caribbean roughshark

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Caribbean roughshark	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caribbean roughshark

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Caribbean roughshark

The Caribbean Roughshark (Oxynotus caribbaeus) is a species in the genus Oxynotus. It is currently classified as Least Concern (LC) on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.