Giant Otter vs Spotted Thorius

Pteronura brasiliensis compared with Thorius spilogaster

Key Differences

• Giant Otter is Endangered while Spotted Thorius is Critically Endangered.

Taxonomic Classification

Rank	Giant Otter	Spotted Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Carnivora (Carnivorans)	Caudata (Caudata)
Family	Mustelidae (Weasels & Otters)	Plethodontidae
Genus	Pteronura	Thorius
Species	Pteronura brasiliensis	Thorius spilogaster

Evolutionary Relationship

Giant Otter and Spotted Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Spotted Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Giant Otter	Spotted Thorius
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.

Spotted Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.