Amazon River Dolphin vs Spotted Ray

Inia geoffrensis compared with Bathyraja albomaculata

Key Differences

• Amazon River Dolphin is Data Deficient while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Amazon River Dolphin	Spotted Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Iniidae	Arhynchobatidae
Genus	Inia	Bathyraja
Species	Inia geoffrensis	Bathyraja albomaculata

Evolutionary Relationship

Amazon River Dolphin and Spotted Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Amazon River Dolphin	Spotted Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Spotted Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.