Austral ray vs Long-tailed Dwarf Hamster

Bathyraja griseocauda compared with Cricetulus longicaudatus

Key Differences

• Austral ray is Endangered while Long-tailed Dwarf Hamster is Least Concern.

Taxonomic Classification

Rank	Austral ray	Long-tailed Dwarf Hamster
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rajiformes (อันดับปลาโรนัน)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Arhynchobatidae	Cricetidae
Genus	Bathyraja	Cricetulus
Species	Bathyraja griseocauda	Cricetulus longicaudatus

Evolutionary Relationship

Austral ray and Long-tailed Dwarf Hamster share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Austral ray

EN — Endangered

Long-tailed Dwarf Hamster

LC — Least Concern

Physical Characteristics

Attribute	Austral ray	Long-tailed Dwarf Hamster
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.

Long-tailed Dwarf Hamster

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.