Base-spotted Pigmy vs Giant Otter

Stigmella basiguttella compared with Pteronura brasiliensis

Key Differences

• Base-spotted Pigmy is Near Threatened while Giant Otter is Endangered.

Taxonomic Classification

Rank	Base-spotted Pigmy	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Nepticulidae	Mustelidae (Weasels & Otters)
Genus	Stigmella	Pteronura
Species	Stigmella basiguttella	Pteronura brasiliensis

Evolutionary Relationship

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

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Base-spotted Pigmy	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.