Fraser's dolphin vs roker

Lagenodelphis hosei compared with Raja clavata

Key Differences

• Fraser's dolphin is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	Fraser's dolphin	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Lagenodelphis	Raja
Species	Lagenodelphis hosei	Raja clavata

Evolutionary Relationship

Fraser's dolphin and roker share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fraser's dolphin

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Fraser's dolphin	roker
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).

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal