Amazonian manatee vs Arctic Hiatella

Trichechus inunguis compared with Hiatella arctica

Key Differences

• Amazonian manatee is Vulnerable while Arctic Hiatella is Least Concern.

Taxonomic Classification

Rank	Amazonian manatee	Arctic Hiatella
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Sirenia (Sirenia)	Adapedonta (Adapedonta)
Family	Trichechidae	Hiatellidae
Genus	Trichechus	Hiatella
Species	Trichechus inunguis	Hiatella arctica

Evolutionary Relationship

Amazonian manatee and Arctic Hiatella share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian manatee

VU — Vulnerable

Arctic Hiatella

LC — Least Concern

Physical Characteristics

Attribute	Amazonian manatee	Arctic Hiatella
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian manatee

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic Hiatella

Habitat

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

Range

Widely distributed across Africa (South Africa), Europe (5 countries), North America (United States), and South America (Chile).

Amazonian manatee

The Amazonian manatee (Trichechus inunguis) is a species in the genus Trichechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Arctic Hiatella

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