Amazon River Dolphin vs Tome's spiny rat

Inia geoffrensis compared with Proechimys semispinosus

Key Differences

• Amazon River Dolphin is Data Deficient while Tome's spiny rat is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Tome's spiny rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Iniidae	Echimyidae
Genus	Inia	Proechimys
Species	Inia geoffrensis	Proechimys semispinosus

Evolutionary Relationship

Amazon River Dolphin and Tome's spiny rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Tome's spiny rat

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Tome's spiny rat
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.

Tome's spiny rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador