Austral ray vs Flat-headed Kusimanse

Bathyraja griseocauda compared with Crossarchus platycephalus

Key Differences

• Austral ray is Endangered while Flat-headed Kusimanse is Least Concern.

Taxonomic Classification

Rank	Austral ray	Flat-headed Kusimanse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Carnivora (Carnivorans)
Family	Arhynchobatidae	Herpestidae
Genus	Bathyraja	Crossarchus
Species	Bathyraja griseocauda	Crossarchus platycephalus

Evolutionary Relationship

Austral ray and Flat-headed Kusimanse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Flat-headed Kusimanse

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Flat-headed Kusimanse
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.

Flat-headed Kusimanse

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.