Amazon River Dolphin vs Brown ray

Inia geoffrensis compared with Raja miraletus

Key Differences

• Amazon River Dolphin is Data Deficient while Brown ray is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Brown ray
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (鳐目)
Family	Iniidae	Rajidae
Genus	Inia	Raja
Species	Inia geoffrensis	Raja miraletus

Evolutionary Relationship

Amazon River Dolphin and Brown ray share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Brown ray

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Brown 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.

Brown ray

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.

Brown ray

The Brown Ray (Raja miraletus) is a species in the genus Raja. It is currently classified as Least Concern on the IUCN Red List. As a member of the Raja genus, this species contributes to biodiversity in its native range.