Giant Otter vs nut fingernailclam

Pteronura brasiliensis compared with Sphaerium rivicola

Key Differences

• Giant Otter is Endangered while nut fingernailclam is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	nut fingernailclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Carnivora (Carnivorans)	Sphaeriida (Sphaeriida)
Family	Mustelidae (Weasels & Otters)	Sphaeriidae
Genus	Pteronura	Sphaerium
Species	Pteronura brasiliensis	Sphaerium rivicola

Evolutionary Relationship

Giant Otter and nut fingernailclam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

nut fingernailclam

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	nut fingernailclam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.