Commerson s Dolphin vs Variable Dancer

Cephalorhynchus commersonii compared with Argia fumipennis

Taxonomic Classification

Rank	Commerson s Dolphin	Variable Dancer
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Arthropoda (สัตว์ขาปล้อง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Insecta (แมลง)
Order	Cetacea (Whales & Dolphins)	Odonata (Odonata)
Family	Delphinidae (Oceanic Dolphins)	Coenagrionidae
Genus	Cephalorhynchus	Argia
Species	Cephalorhynchus commersonii	Argia fumipennis

Evolutionary Relationship

Commerson s Dolphin and Variable Dancer share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Commerson s Dolphin

LC — Least Concern

Variable Dancer

LC — Least Concern

Physical Characteristics

Attribute	Commerson s Dolphin	Variable Dancer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Variable Dancer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.