Austral ray vs Fat Sand Rat

Bathyraja griseocauda compared with Psammomys obesus

Key Differences

• Austral ray is Endangered while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Austral ray	Fat Sand Rat
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Elasmobranchii	Mammalia (млекопитающие)
Order	Rajiformes (скатообразные)	Rodentia (грызуны)
Family	Arhynchobatidae	Muridae (Mice & Rats)
Genus	Bathyraja	Psammomys
Species	Bathyraja griseocauda	Psammomys obesus

Evolutionary Relationship

Austral ray and Fat Sand Rat share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Austral ray

EN — Endangered

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Fat Sand Rat
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.

Fat Sand Rat

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.