Black river stingray vs Dusky Dolphin

Potamotrygon motoro compared with Lagenorhynchus obscurus

Key Differences

• Black river stingray is Data Deficient while Dusky Dolphin is Least Concern.

Taxonomic Classification

Rank	Black river stingray	Dusky 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	Lagenorhynchus
Species	Potamotrygon motoro	Lagenorhynchus obscurus

Evolutionary Relationship

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

Conservation Status

Black river stingray

DD — Data Deficient

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Black river stingray	Dusky Dolphin
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.

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.