roker vs Speckled ray

Raja clavata compared with Raja polystigma

Key Differences

• roker is Near Threatened while Speckled ray is Least Concern.

Taxonomic Classification

Rank	roker	Speckled ray
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Elasmobranchii	Elasmobranchii
Order same	Rajiformes (홍어목)	Rajiformes (홍어목)
Family same	Rajidae	Rajidae
Genus same	Raja	Raja
Species	Raja clavata	Raja polystigma

Evolutionary Relationship

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

Conservation Status

roker

NT — Near Threatened

Speckled ray

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Speckled ray