Commerson s Dolphin vs Slender lantern shark

Cephalorhynchus commersonii compared with Etmopterus pusillus

Taxonomic Classification

Rank	Commerson s Dolphin	Slender lantern shark
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squaliformes (อันดับปลาฉลามหลังหนาม)
Family	Delphinidae (Oceanic Dolphins)	Etmopteridae
Genus	Cephalorhynchus	Etmopterus
Species	Cephalorhynchus commersonii	Etmopterus pusillus

Evolutionary Relationship

Commerson s Dolphin and Slender lantern shark share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Commerson s Dolphin

LC — Least Concern

Slender lantern shark

LC — Least Concern

Physical Characteristics

Attribute	Commerson s Dolphin	Slender lantern shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Slender lantern shark

Habitat

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

Range

Distributed across Chile and Portugal.

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.