Black river stingray vs Giant Otter

Potamotrygon motoro compared with Pteronura brasiliensis

Key Differences

• Black river stingray is Data Deficient while Giant Otter is Endangered.

Taxonomic Classification

Rank	Black river 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	Potamotrygonidae	Mustelidae (Weasels & Otters)
Genus	Potamotrygon	Pteronura
Species	Potamotrygon motoro	Pteronura brasiliensis

Evolutionary Relationship

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

Conservation Status

Black river stingray

DD — Data Deficient

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Black river stingray	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black river stingray

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Brazil, Colombia, Ecuador, Singapore, and Venezuela.

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.

Black river stingray

The Black river stingray (Potamotrygon motoro) is a species in the genus Potamotrygon. It is currently classified as Data Deficient on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela