Giant Otter vs Rough ray

Pteronura brasiliensis compared with Raja radula

Taxonomic Classification

Rank	Giant Otter	Rough ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Rajiformes (Rajiformes)
Family	Mustelidae (Weasels & Otters)	Rajidae
Genus	Pteronura	Raja
Species	Pteronura brasiliensis	Raja radula

Evolutionary Relationship

Giant Otter and Rough ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Rough ray

EN — Endangered

Physical Characteristics

Attribute	Giant Otter	Rough ray
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.

Rough ray