Brown Rat vs Caribbean roughshark

Rattus norvegicus compared with Oxynotus caribbaeus

Taxonomic Classification

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

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Brown Rat

LC — Least Concern

Caribbean roughshark

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Caribbean roughshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Caribbean roughshark

Habitat

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

Range

Found in Venezuela.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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.