Giant Otter vs Obscure Dwarf

Pteronura brasiliensis compared with Elachista humilis

Key Differences

• Giant Otter is Endangered while Obscure Dwarf is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Obscure Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Lepidoptera (Butterflies & Moths)
Family	Mustelidae (Weasels & Otters)	Elachistidae
Genus	Pteronura	Elachista
Species	Pteronura brasiliensis	Elachista humilis

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Obscure Dwarf

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Obscure Dwarf
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.

Obscure Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.