Giant Otter vs Smalltooth stingray

Pteronura brasiliensis compared with Hypanus rudis

Key Differences

• Giant Otter is Endangered while Smalltooth stingray is Critically Endangered.

Taxonomic Classification

Rank	Giant Otter	Smalltooth stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Myliobatiformes (Myliobatiformes)
Family	Mustelidae (Weasels & Otters)	Dasyatidae
Genus	Pteronura	Hypanus
Species	Pteronura brasiliensis	Hypanus rudis

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Smalltooth stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Giant Otter	Smalltooth stingray
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.

Smalltooth stingray