Five-toed Pygmy Jerboa vs Spinetail ray

Cardiocranius paradoxus compared with Bathyraja spinicauda

Key Differences

• Five-toed Pygmy Jerboa is Data Deficient while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Five-toed Pygmy Jerboa	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Dipodidae	Arhynchobatidae
Genus	Cardiocranius	Bathyraja
Species	Cardiocranius paradoxus	Bathyraja spinicauda

Evolutionary Relationship

Five-toed Pygmy Jerboa and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Five-toed Pygmy Jerboa

DD — Data Deficient

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Five-toed Pygmy Jerboa	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Five-toed Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.