Austral ray vs Yasuda-kasube

Bathyraja griseocauda compared with Bathyraja trachura

Key Differences

• Austral ray is Endangered while Yasuda-kasube is Least Concern.

Taxonomic Classification

Rank	Austral ray	Yasuda-kasube
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Rajiformes (ガンギエイ目)	Rajiformes (ガンギエイ目)
Family same	Arhynchobatidae	Arhynchobatidae
Genus same	Bathyraja	Bathyraja
Species	Bathyraja griseocauda	Bathyraja trachura

Evolutionary Relationship

Austral ray and Yasuda-kasube share a common ancestor at the Genus level: Bathyraja.

Conservation Status

Austral ray

EN — Endangered

Yasuda-kasube

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Yasuda-kasube
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.

Yasuda-kasube

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.

Yasuda-kasube

The Black skate (Bathyraja trachura) is a species in the genus Bathyraja. It is currently classified as Least Concern on the IUCN Red List.