Blue stingray vs Commerson s Dolphin

Dasyatis pastinaca compared with Cephalorhynchus commersonii

Key Differences

• Blue stingray is Not Evaluated while Commerson s Dolphin is Least Concern.

Taxonomic Classification

Rank	Blue stingray	Commerson s Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Dasyatidae	Delphinidae (Oceanic Dolphins)
Genus	Dasyatis	Cephalorhynchus
Species	Dasyatis pastinaca	Cephalorhynchus commersonii

Evolutionary Relationship

Blue stingray and Commerson s Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue stingray

NE — Not Evaluated

Commerson s Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Blue stingray	Commerson s Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue stingray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blue stingray

The Blue stingray (Dasyatis pastinaca) is a species in the genus Dasyatis. Native to Europe, inhabiting ecosystems characteristic of the region.

Commerson s Dolphin

<em>Cephalorhynchus commersonii</em>, commonly known as Commerson's Dolphin, is a small cetacean in the family Delphinidae. This species is classified as Least Concern on the IUCN Red List and is notable for its striking black-and-white coloration, which makes it one of the most visually distinctive dolphin species. Commerson's Dolphins typically inhabit coastal and nearshore marine environments of the Southern Hemisphere, particularly around the Falkland Islands, the southern tip of South America, and a geographically isolated population near the Kerguelen Islands in the Indian Ocean. These dolphins are highly social animals, often observed in small groups engaging in acrobatic behaviors near the surface. They typically feed on fish, squid, and crustaceans, often hunting cooperatively in shallow waters and kelp beds. Their average lifespan is approximately 18 years, and they are known for their fast, energetic swimming. Commerson's Dolphins are sometimes caught as bycatch in fishing nets, posing a localized conservation concern despite their overall Least Concern status.