Commerson s Dolphin vs

Cephalorhynchus commersonii compared with Vibrio cholerae

Key Differences

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

Taxonomic Classification

Rank	Commerson s Dolphin
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Proteobacteria (Proteobacteria)
Class	Mammalia (Mammals)	Gammaproteobacteria (Gammaproteobacteria)
Order	Cetacea (Whales & Dolphins)	Enterobacterales (Enterobacterales)
Family	Delphinidae (Oceanic Dolphins)	Vibrionaceae
Genus	Cephalorhynchus	Vibrio
Species	Cephalorhynchus commersonii	Vibrio cholerae

Conservation Status

Commerson s Dolphin

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Inhabits tropical and subtropical moist broadleaf forests and deserts and xeric shrublands within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (10 countries), Asia (4 countries), Europe (6 countries), North America (Mexico), Oceania and the Pacific (Fiji), and South America (6 countries).

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.

Vibrio cholerae is a Gram-negative, comma-shaped, highly motile aquatic bacterium and the causative agent of pandemic cholera disease in humans. It inhabits coastal estuaries, river deltas, and warm marine environments, often associated with plankton, particularly copepods. This facultatively anaerobic bacterium spreads through contaminated water and food, causing severe watery diarrhea with major public health impact.