Arraia vs Hector s Dolphin

Potamotrygon motoro compared with Cephalorhynchus hectori

Key Differences

• Arraia is Data Deficient while Hector s Dolphin is Endangered.

Taxonomic Classification

Rank	Arraia	Hector s Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Potamotrygonidae	Delphinidae (Oceanic Dolphins)
Genus	Potamotrygon	Cephalorhynchus
Species	Potamotrygon motoro	Cephalorhynchus hectori

Evolutionary Relationship

Arraia and Hector s Dolphin share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arraia

DD — Data Deficient

Hector s Dolphin

EN — Endangered

Physical Characteristics

Attribute	Arraia	Hector s Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arraia

Habitat

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

Range

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

Hector s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia

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.