Dwarf whip ray vs Pacific Spiny-rat

Brevitrygon walga compared with Proechimys decumanus

Taxonomic Classification

Rank	Dwarf whip 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	Dasyatidae	Echimyidae
Genus	Brevitrygon	Proechimys
Species	Brevitrygon walga	Proechimys decumanus

Evolutionary Relationship

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

Conservation Status

Dwarf whip ray

NT — Near Threatened

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Dwarf whip ray	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf whip ray

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.