African ray vs Polynesian rat

Urogymnus asperrimus compared with Rattus exulans

Key Differences

• African ray is Vulnerable while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	African ray	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Dasyatidae	Muridae (Mice & Rats)
Genus	Urogymnus	Rattus
Species	Urogymnus asperrimus	Rattus exulans

Evolutionary Relationship

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

Conservation Status

African ray

VU — Vulnerable

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	African ray	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

African ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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).

African ray

The African ray (Urogymnus asperrimus) is a species in the genus Urogymnus. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan