Giant Otter vs Arraia

Pteronura brasiliensis compared with Raja clavata

Key Differences

• Giant Otter is Endangered while Arraia is Near Threatened.

Taxonomic Classification

Rank	Giant Otter	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Carnivora (carnívoros)	Rajiformes (Rajiformes)
Family	Mustelidae (Weasels & Otters)	Rajidae
Genus	Pteronura	Raja
Species	Pteronura brasiliensis	Raja clavata

Evolutionary Relationship

Giant Otter and Arraia share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Giant Otter

EN — Endangered

Arraia

NT — Near Threatened

Physical Characteristics

Attribute	Giant Otter	Arraia
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.

Arraia

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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