Fat Sand Rat vs Round Ray

Psammomys obesus compared with Rajella fyllae

Key Differences

• Fat Sand Rat is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Fat Sand Rat	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Muridae (Mice & Rats)	Rajidae
Genus	Psammomys	Rajella
Species	Psammomys obesus	Rajella fyllae

Evolutionary Relationship

Fat Sand Rat and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fat Sand Rat

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Fat Sand Rat	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.