Haviside s Dolphin vs undulate ray

Cephalorhynchus heavisidii compared with Raja undulata

Key Differences

• Haviside s Dolphin is Near Threatened while undulate ray is Endangered.

Taxonomic Classification

Rank	Haviside s Dolphin	undulate ray
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 undulata

Evolutionary Relationship

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

Conservation Status

Haviside s Dolphin

NT — Near Threatened

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Haviside s Dolphin	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

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.