Commerson s Dolphin vs Juan Fernandez fur seal

Cephalorhynchus commersonii compared with Arctocephalus philippii

Taxonomic Classification

Rank	Commerson s Dolphin	Juan Fernandez fur seal
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Cetacea (Whales & Dolphins)	Carnivora (สัตว์กินเนื้อ)
Family	Delphinidae (Oceanic Dolphins)	Otariidae
Genus	Cephalorhynchus	Arctocephalus
Species	Cephalorhynchus commersonii	Arctocephalus philippii

Evolutionary Relationship

Commerson s Dolphin and Juan Fernandez fur seal share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Commerson s Dolphin

LC — Least Concern

Juan Fernandez fur seal

LC — Least Concern

Physical Characteristics

Attribute	Commerson s Dolphin	Juan Fernandez fur seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Juan Fernandez fur seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.