Amazon River Dolphin vs Base-spotted Pigmy

Inia geoffrensis compared with Stigmella basiguttella

Key Differences

• Amazon River Dolphin is Data Deficient while Base-spotted Pigmy is Near Threatened.

Taxonomic Classification

Rank	Amazon River Dolphin	Base-spotted 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 basiguttella

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Base-spotted Pigmy

NT — Near Threatened

Physical Characteristics

Attribute	Amazon River Dolphin	Base-spotted 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.

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.