Austral ray vs Chacoan Mara

Bathyraja griseocauda compared with Dolichotis salinicola

Key Differences

• Austral ray is Endangered while Chacoan Mara is Least Concern.

Taxonomic Classification

Rank	Austral ray	Chacoan Mara
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Rajiformes (ガンギエイ目)	Rodentia (ネズミ目)
Family	Arhynchobatidae	Caviidae
Genus	Bathyraja	Dolichotis
Species	Bathyraja griseocauda	Dolichotis salinicola

Evolutionary Relationship

Austral ray and Chacoan Mara share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Austral ray

EN — Endangered

Chacoan Mara

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Chacoan Mara
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.

Chacoan Mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Chacoan Mara

The Chacoan Mara (Dolichotis salinicola) is a species in the genus Dolichotis. It is currently classified as Least Concern on the IUCN Red List.