Dusky Dolphin vs undulate ray

Lagenorhynchus obscurus compared with Raja undulata

Key Differences

• Dusky Dolphin is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	undulate ray
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	Lagenorhynchus	Raja
Species	Lagenorhynchus obscurus	Raja undulata

Evolutionary Relationship

Dusky Dolphin and undulate ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.