Amazon River Dolphin vs Chalky Macoma

Inia geoffrensis compared with Macoma calcarea

Key Differences

• Amazon River Dolphin is Data Deficient while Chalky Macoma is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Chalky Macoma
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Cetacea (Whales & Dolphins)	Cardiida (Cardiida)
Family	Iniidae	Tellinidae
Genus	Inia	Macoma
Species	Inia geoffrensis	Macoma calcarea

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Chalky Macoma

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Chalky Macoma
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.

Chalky Macoma

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

Chalky Macoma

The Chalky Macoma (Macoma calcarea) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.