Hector s Dolphin vs Ray

Cephalorhynchus hectori compared with Sympterygia bonapartii

Key Differences

• Hector s Dolphin is Endangered while Ray is Near Threatened.

Taxonomic Classification

Rank	Hector s Dolphin	Ray
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Bộ Cá đuối)
Family	Delphinidae (Oceanic Dolphins)	Arhynchobatidae
Genus	Cephalorhynchus	Sympterygia
Species	Cephalorhynchus hectori	Sympterygia bonapartii

Evolutionary Relationship

Hector s Dolphin and Ray share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Hector s Dolphin

EN — Endangered

Ray

NT — Near Threatened

Physical Characteristics

Attribute	Hector s Dolphin	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hector s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.