Giant Otter vs Round-spotted Major

Pteronura brasiliensis compared with Oxycera dives

Key Differences

• Giant Otter is Endangered while Round-spotted Major is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	Round-spotted Major
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Diptera (Diptera)
Family	Mustelidae (Weasels & Otters)	Stratiomyidae
Genus	Pteronura	Oxycera
Species	Pteronura brasiliensis	Oxycera dives

Evolutionary Relationship

Giant Otter and Round-spotted Major share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

Round-spotted Major

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	Round-spotted Major
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.

Round-spotted Major

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.