Joined-fins skate vs Dornschwanz-Tiefenrochen

Bathyraja cousseauae compared with Bathyraja spinicauda

Key Differences

• Joined-fins skate is Least Concern while Dornschwanz-Tiefenrochen is Near Threatened.

Taxonomic Classification

Rank	Joined-fins skate	Dornschwanz-Tiefenrochen
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Elasmobranchii	Elasmobranchii
Order same	Rajiformes (Rajiformes)	Rajiformes (Rajiformes)
Family same	Arhynchobatidae	Arhynchobatidae
Genus same	Bathyraja	Bathyraja
Species	Bathyraja cousseauae	Bathyraja spinicauda

Evolutionary Relationship

Joined-fins skate and Dornschwanz-Tiefenrochen share a common ancestor at the Genus level: Bathyraja.

Conservation Status

Joined-fins skate

LC — Least Concern

Dornschwanz-Tiefenrochen

NT — Near Threatened

Physical Characteristics

Attribute	Joined-fins skate	Dornschwanz-Tiefenrochen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Joined-fins skate

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

Dornschwanz-Tiefenrochen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.