Austral ray vs Bishop ray

Bathyraja griseocauda compared with Aetobatus narinari

Key Differences

• Austral ray is Endangered while Bishop ray is Near Threatened.

Taxonomic Classification

Rank	Austral ray	Bishop ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order	Rajiformes (Rajiformes)	Myliobatiformes (Myliobatiformes)
Family	Arhynchobatidae	Myliobatidae
Genus	Bathyraja	Aetobatus
Species	Bathyraja griseocauda	Aetobatus narinari

Evolutionary Relationship

Austral ray and Bishop ray share a common ancestor at the Class level: Elasmobranchii.

Conservation Status

Austral ray

EN — Endangered

Bishop ray

NT — Near Threatened

Physical Characteristics

Attribute	Austral ray	Bishop ray
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.

Bishop ray

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Bishop ray

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.