Dwarf black stingray vs Giant Otter

Hemitrygon parvonigra compared with Pteronura brasiliensis

Key Differences

• Dwarf black stingray is Data Deficient while Giant Otter is Endangered.

Taxonomic Classification

Rank	Dwarf black stingray	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Carnivora (Carnivorans)
Family	Dasyatidae	Mustelidae (Weasels & Otters)
Genus	Hemitrygon	Pteronura
Species	Hemitrygon parvonigra	Pteronura brasiliensis

Evolutionary Relationship

Dwarf black stingray and Giant Otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf black stingray

DD — Data Deficient

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Dwarf black stingray	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf black stingray

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.