Bearded seal vs undulate ray

Erignathus barbatus compared with Raja undulata

Key Differences

• Bearded seal is Not Evaluated while undulate ray is Endangered.

Taxonomic Classification

Rank	Bearded seal	undulate ray
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Pinnipedia (Seals & Sea Lions)	Rajiformes (ガンギエイ目)
Family	Phocidae (True Seals)	Rajidae
Genus	Erignathus	Raja
Species	Erignathus barbatus	Raja undulata

Evolutionary Relationship

Bearded seal and undulate ray share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Bearded seal

NE — Not Evaluated

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Bearded seal	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

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.

Bearded seal

The Bearded seal (Erignathus barbatus) is a species in the genus Erignathus. Typically found in diverse terrestrial and aquatic ecosystems.