Hotson’s Brush-tailed Mouse vs undulate ray

Calomyscus hotsoni compared with Raja undulata

Key Differences

• Hotson’s Brush-tailed Mouse is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Hotson’s Brush-tailed Mouse	undulate 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	Raja
Species	Calomyscus hotsoni	Raja undulata

Evolutionary Relationship

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

Conservation Status

Hotson’s Brush-tailed Mouse

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Hotson’s Brush-tailed Mouse	undulate 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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.