Dusky Dolphin vs Round Ray

Lagenorhynchus obscurus compared with Rajella fyllae

Key Differences

• Dusky Dolphin is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Dusky Dolphin	Round Ray
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (ガンギエイ目)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Lagenorhynchus	Rajella
Species	Lagenorhynchus obscurus	Rajella fyllae

Evolutionary Relationship

Dusky Dolphin and Round Ray share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Dusky Dolphin

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Dusky Dolphin	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.