Black river stingray vs Japanese Weasel

Potamotrygon motoro compared with Mustela itatsi

Key Differences

• Black river stingray is Data Deficient while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Black river stingray	Japanese Weasel
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	Mustela
Species	Potamotrygon motoro	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

Black river stingray

DD — Data Deficient

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Black river stingray	Japanese Weasel
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.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.