Black river stingray vs Brown eagle-ray

Potamotrygon motoro compared with Aetomylaeus milvus

Key Differences

• Black river stingray is Data Deficient while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Black river stingray	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Myliobatiformes (Myliobatiformes)	Myliobatiformes (Myliobatiformes)
Family	Potamotrygonidae	Myliobatidae
Genus	Potamotrygon	Aetomylaeus
Species	Potamotrygon motoro	Aetomylaeus milvus

Evolutionary Relationship

Black river stingray and Brown eagle-ray share a common ancestor at the Order level: Myliobatiformes. (Myliobatiformes)

Conservation Status

Black river stingray

DD — Data Deficient

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Black river stingray	Brown eagle-ray
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.

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. 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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.