Speckled ray vs undulate ray

Raja polystigma compared with Raja undulata

Key Differences

• Speckled ray is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Speckled ray	undulate ray
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Rajiformes (ガンギエイ目)	Rajiformes (ガンギエイ目)
Family same	Rajidae	Rajidae
Genus same	Raja	Raja
Species	Raja polystigma	Raja undulata

Evolutionary Relationship

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

Conservation Status

Speckled ray

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Speckled 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.