False widow vs Giant Otter

Steatoda bipunctata compared with Pteronura brasiliensis

Key Differences

• False widow is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	False widow	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Carnivora (Carnivorans)
Family	Theridiidae	Mustelidae (Weasels & Otters)
Genus	Steatoda	Pteronura
Species	Steatoda bipunctata	Pteronura brasiliensis

Evolutionary Relationship

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

Conservation Status

False widow

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	False widow	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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.