Rundkopfdelphin vs Nagelrochen

Grampus griseus compared with Raja clavata

Key Differences

• Rundkopfdelphin is Least Concern while Nagelrochen is Near Threatened.

Taxonomic Classification

Rank	Rundkopfdelphin	Nagelrochen
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Grampus	Raja
Species	Grampus griseus	Raja clavata

Evolutionary Relationship

Rundkopfdelphin and Nagelrochen share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Rundkopfdelphin

LC — Least Concern

Nagelrochen

NT — Near Threatened

Physical Characteristics

Attribute	Rundkopfdelphin	Nagelrochen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rundkopfdelphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Nagelrochen

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.

Rundkopfdelphin

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden