Polynesian rat vs Roughskin Dogfish

Rattus exulans compared with Cirrhigaleus asper

Key Differences

• Polynesian rat is Least Concern while Roughskin Dogfish is Data Deficient.

Taxonomic Classification

Rank	Polynesian rat	Roughskin Dogfish
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)	Squalidae
Genus	Rattus	Cirrhigaleus
Species	Rattus exulans	Cirrhigaleus asper

Evolutionary Relationship

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

Conservation Status

Polynesian rat

LC — Least Concern

Roughskin Dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Polynesian rat	Roughskin Dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Roughskin Dogfish