Austral ray vs Black-spotted Cuscus

Bathyraja griseocauda compared with Spilocuscus rufoniger

Key Differences

• Austral ray is Endangered while Black-spotted Cuscus is Critically Endangered.

Taxonomic Classification

Rank	Austral ray	Black-spotted Cuscus
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Diprotodontia (Marsupials)
Family	Arhynchobatidae	Phalangeridae
Genus	Bathyraja	Spilocuscus
Species	Bathyraja griseocauda	Spilocuscus rufoniger

Evolutionary Relationship

Austral ray and Black-spotted Cuscus share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Black-spotted Cuscus

CR — Critically Endangered

Physical Characteristics

Attribute	Austral ray	Black-spotted Cuscus
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.

Black-spotted Cuscus

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.

Black-spotted Cuscus

The Black-spotted Cuscus (Spilocuscus rufoniger) is a species in the genus Spilocuscus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.