Giant Otter vs Lesser guitarfish

Pteronura brasiliensis compared with Zapteryx brevirostris

Taxonomic Classification

Rank	Giant Otter	Lesser guitarfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Rhinopristiformes (Rhinopristiformes)
Family	Mustelidae (Weasels & Otters)	Rhinobatidae
Genus	Pteronura	Zapteryx
Species	Pteronura brasiliensis	Zapteryx brevirostris

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Lesser guitarfish

EN — Endangered

Physical Characteristics

Attribute	Giant Otter	Lesser guitarfish
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.

Lesser guitarfish