Rough ray vs undulate ray

Raja radula compared with Raja undulata

Taxonomic Classification

Rank	Rough ray	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Rajiformes (Rajiformes)	Rajiformes (Rajiformes)
Family same	Rajidae	Rajidae
Genus same	Raja	Raja
Species	Raja radula	Raja undulata

Evolutionary Relationship

Rough ray and undulate ray share a common ancestor at the Genus level: Raja.

Conservation Status

Rough ray

EN — Endangered

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Rough ray	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rough ray

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.