Giant Otter vs Marbled Orbweaver

Pteronura brasiliensis compared with Araneus marmoreus

Key Differences

• Giant Otter is Endangered while Marbled Orbweaver is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Marbled Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Carnivora (Carnivorans)	Araneae (Araneae)
Family	Mustelidae (Weasels & Otters)	Araneidae
Genus	Pteronura	Araneus
Species	Pteronura brasiliensis	Araneus marmoreus

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Marbled Orbweaver

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Marbled Orbweaver
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.

Marbled Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

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