Hotson’s Brush-tailed Mouse vs Round Ray

Calomyscus hotsoni compared with Rajella fyllae

Key Differences

• Hotson’s Brush-tailed Mouse is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Hotson’s Brush-tailed Mouse	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Calomyscidae	Rajidae
Genus	Calomyscus	Rajella
Species	Calomyscus hotsoni	Rajella fyllae

Evolutionary Relationship

Hotson’s Brush-tailed Mouse and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hotson’s Brush-tailed Mouse

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Hotson’s Brush-tailed Mouse	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hotson’s Brush-tailed Mouse

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.