Commerson s Dolphin vs teasel sedge

Cephalorhynchus commersonii compared with Cyperus echinatus

Key Differences

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

Taxonomic Classification

Rank	Commerson s Dolphin	teasel sedge
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Magnoliophyta (Flowering Plants)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Liliopsida (Monocots)
Order	Cetacea (Whales & Dolphins)	Poales (อันดับหญ้า)
Family	Delphinidae (Oceanic Dolphins)	Cyperaceae
Genus	Cephalorhynchus	Cyperus
Species	Cephalorhynchus commersonii	Cyperus echinatus

Conservation Status

Commerson s Dolphin

LC — Least Concern

teasel sedge

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

teasel sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Colombia, Denmark, Japan, Portugal, and Sweden.

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.