Austral ray vs Brown Zygodont

Bathyraja griseocauda compared with Zygodontomys brunneus

Key Differences

• Austral ray is Endangered while Brown Zygodont is Least Concern.

Taxonomic Classification

Rank	Austral ray	Brown Zygodont
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Arhynchobatidae	Cricetidae
Genus	Bathyraja	Zygodontomys
Species	Bathyraja griseocauda	Zygodontomys brunneus

Evolutionary Relationship

Austral ray and Brown Zygodont share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Austral ray

EN — Endangered

Brown Zygodont

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Brown Zygodont
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.

Brown Zygodont

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Brown Zygodont

The Brown Zygodont (Zygodontomys brunneus) is a species in the genus Zygodontomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.