Giant Otter vs Short-tailed river stingray

Pteronura brasiliensis compared with Potamotrygon brachyura

Key Differences

• Giant Otter is Endangered while Short-tailed river stingray is Data Deficient.

Taxonomic Classification

Rank	Giant Otter	Short-tailed river stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Myliobatiformes (Myliobatiformes)
Family	Mustelidae (Weasels & Otters)	Potamotrygonidae
Genus	Pteronura	Potamotrygon
Species	Pteronura brasiliensis	Potamotrygon brachyura

Evolutionary Relationship

Giant Otter and Short-tailed river stingray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Short-tailed river stingray

DD — Data Deficient

Physical Characteristics

Attribute	Giant Otter	Short-tailed river stingray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Short-tailed river stingray