Austral ray vs Lesser Capybara

Bathyraja griseocauda compared with Hydrochoerus isthmius

Key Differences

• Austral ray is Endangered while Lesser Capybara is Data Deficient.

Taxonomic Classification

Rank	Austral ray	Lesser Capybara
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Arhynchobatidae	Caviidae
Genus	Bathyraja	Hydrochoerus
Species	Bathyraja griseocauda	Hydrochoerus isthmius

Evolutionary Relationship

Austral ray and Lesser Capybara share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Lesser Capybara

DD — Data Deficient

Physical Characteristics

Attribute	Austral ray	Lesser Capybara
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Austral ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Lesser Capybara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Austral ray

The Austral ray (Bathyraja griseocauda) is a species in the genus Bathyraja. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.