Dwarf whip ray vs Guyanan spiny rat

Brevitrygon walga compared with Proechimys hoplomyoides

Key Differences

• Dwarf whip ray is Near Threatened while Guyanan spiny rat is Data Deficient.

Taxonomic Classification

Rank	Dwarf whip ray	Guyanan 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 hoplomyoides

Evolutionary Relationship

Dwarf whip ray and Guyanan spiny rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf whip ray

NT — Near Threatened

Guyanan spiny rat

DD — Data Deficient

Physical Characteristics

Attribute	Dwarf whip ray	Guyanan spiny rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf whip ray

Guyanan spiny rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.