Fraser's dolphin vs St John's Rollandia

Lagenodelphis hosei compared with Cyanea spec

Key Differences

• Fraser's dolphin is Least Concern while St John's Rollandia is Critically Endangered.

Taxonomic Classification

Rank	Fraser's dolphin	St John's Rollandia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Cnidaria (Cnidarians)
Class	Mammalia (Mammals)	Scyphozoa (Scyphozoa)
Order	Cetacea (Whales & Dolphins)	Semaeostomeae (Semaeostomeae)
Family	Delphinidae (Oceanic Dolphins)	Cyaneidae
Genus	Lagenodelphis	Cyanea
Species	Lagenodelphis hosei	Cyanea spec

Evolutionary Relationship

Fraser's dolphin and St John's Rollandia share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fraser's dolphin

LC — Least Concern

St John's Rollandia

CR — Critically Endangered

Physical Characteristics

Attribute	Fraser's dolphin	St John's Rollandia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fraser's dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).

St John's Rollandia