Commerson s Dolphin vs Javan Rusa

Cephalorhynchus commersonii compared with Rusa timorensis

Key Differences

• Commerson s Dolphin is Least Concern while Javan Rusa is Vulnerable.

Taxonomic Classification

Rank	Commerson s Dolphin	Javan Rusa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Artiodactyla (Even-toed Ungulates)
Family	Delphinidae (Oceanic Dolphins)	Cervidae (Deer)
Genus	Cephalorhynchus	Rusa
Species	Cephalorhynchus commersonii	Rusa timorensis

Evolutionary Relationship

Commerson s Dolphin and Javan Rusa share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Commerson s Dolphin

LC — Least Concern

Javan Rusa

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.