Austral ray vs Five-toed Pygmy Jerboa

Bathyraja griseocauda compared with Cardiocranius paradoxus

Key Differences

• Austral ray is Endangered while Five-toed Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	Austral ray	Five-toed Pygmy Jerboa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Arhynchobatidae	Dipodidae
Genus	Bathyraja	Cardiocranius
Species	Bathyraja griseocauda	Cardiocranius paradoxus

Evolutionary Relationship

Austral ray and Five-toed Pygmy Jerboa share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Five-toed Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Austral ray	Five-toed Pygmy Jerboa
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.

Five-toed Pygmy Jerboa

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.