Bigtooth river stingray vs Irrawaddy dolphin

Potamotrygon henlei compared with Orcaella brevirostris

Key Differences

• Bigtooth river stingray is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Bigtooth river stingray	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Potamotrygonidae	Delphinidae (Oceanic Dolphins)
Genus	Potamotrygon	Orcaella
Species	Potamotrygon henlei	Orcaella brevirostris

Evolutionary Relationship

Bigtooth river stingray and Irrawaddy dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigtooth river stingray

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Bigtooth river stingray	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigtooth river stingray

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bigtooth river stingray

The Bigtooth river stingray (Potamotrygon henlei) is a species in the genus Potamotrygon. It is currently classified as Least Concern on the IUCN Red List.