Giant Otter vs roker

Pteronura brasiliensis compared with Raja clavata

Key Differences

• Giant Otter is Endangered while roker is Near Threatened.

Taxonomic Classification

Rank	Giant Otter	roker
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Elasmobranchii
Order	Carnivora (식육목)	Rajiformes (홍어목)
Family	Mustelidae (Weasels & Otters)	Rajidae
Genus	Pteronura	Raja
Species	Pteronura brasiliensis	Raja clavata

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

roker

NT — Near Threatened

Physical Characteristics

Attribute	Giant Otter	roker
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.

roker

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.