Amazon River Dolphin vs Round Ray

Inia geoffrensis compared with Rajella fyllae

Key Differences

• Amazon River Dolphin is Data Deficient while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Amazon River Dolphin	Round 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	Rajidae
Genus	Inia	Rajella
Species	Inia geoffrensis	Rajella fyllae

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Amazon River Dolphin	Round 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.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.