Haviside s Dolphin vs roker

Cephalorhynchus heavisidii compared with Raja clavata

Taxonomic Classification

Rank	Haviside s Dolphin	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Cephalorhynchus	Raja
Species	Cephalorhynchus heavisidii	Raja clavata

Evolutionary Relationship

Haviside s Dolphin and roker share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

roker

NT — Near Threatened

Physical Characteristics

Attribute	Haviside s Dolphin	roker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.