Amazon River Dolphin vs Chestnut Pigmy

Inia geoffrensis compared with Stigmella samiatella

Key Differences

• Amazon River Dolphin is Data Deficient while Chestnut Pigmy is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Chestnut Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Iniidae	Nepticulidae
Genus	Inia	Stigmella
Species	Inia geoffrensis	Stigmella samiatella

Evolutionary Relationship

Amazon River Dolphin and Chestnut Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Chestnut Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Chestnut Pigmy
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.

Chestnut Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, 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.

Chestnut Pigmy

The Chestnut Pigmy (Stigmella samiatella) is a species in the genus Stigmella. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.