Cownose ray vs Gray-bellied Rice Rat

Rhinoptera javanica compared with Nephelomys moerex

Key Differences

• Cownose ray is Endangered while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Cownose ray	Gray-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Myliobatidae	Cricetidae
Genus	Rhinoptera	Nephelomys
Species	Rhinoptera javanica	Nephelomys moerex

Evolutionary Relationship

Cownose ray and Gray-bellied Rice Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cownose ray

EN — Endangered

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Cownose ray	Gray-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cownose ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.