Dwarf black stingray vs Hammond's Oryzomys

Hemitrygon parvonigra compared with Mindomys hammondi

Key Differences

• Dwarf black stingray is Data Deficient while Hammond's Oryzomys is Endangered.

Taxonomic Classification

Rank	Dwarf black stingray	Hammond's Oryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Dasyatidae	Cricetidae
Genus	Hemitrygon	Mindomys
Species	Hemitrygon parvonigra	Mindomys hammondi

Evolutionary Relationship

Dwarf black stingray and Hammond's Oryzomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf black stingray

DD — Data Deficient

Hammond's Oryzomys

EN — Endangered

Physical Characteristics

Attribute	Dwarf black stingray	Hammond's Oryzomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf black stingray

Hammond's Oryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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