Giant Otter vs Grey Arches

Pteronura brasiliensis compared with Polia nebulosa

Key Differences

• Giant Otter is Endangered while Grey Arches is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Grey Arches
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)	Noctuidae
Genus	Pteronura	Polia
Species	Pteronura brasiliensis	Polia nebulosa

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Grey Arches

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Grey Arches
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.

Grey Arches

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.