Cowhead eagle ray vs Pacific Spiny-rat

Myliobatis tobijei compared with Proechimys decumanus

Key Differences

• Cowhead eagle ray is Vulnerable while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Cowhead eagle ray	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Myliobatidae	Echimyidae
Genus	Myliobatis	Proechimys
Species	Myliobatis tobijei	Proechimys decumanus

Evolutionary Relationship

Cowhead eagle ray and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cowhead eagle ray

VU — Vulnerable

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Cowhead eagle ray	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cowhead eagle 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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.