Dusky Dolphin vs Raia-da-Gronelândia

Lagenorhynchus obscurus compared with Bathyraja spinicauda

Key Differences

• Dusky Dolphin is Least Concern while Raia-da-Gronelândia is Near Threatened.

Taxonomic Classification

Rank	Dusky Dolphin	Raia-da-Gronelândia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Arhynchobatidae
Genus	Lagenorhynchus	Bathyraja
Species	Lagenorhynchus obscurus	Bathyraja spinicauda

Evolutionary Relationship

Dusky Dolphin and Raia-da-Gronelândia share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Dusky Dolphin

LC — Least Concern

Raia-da-Gronelândia

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Dolphin	Raia-da-Gronelândia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Raia-da-Gronelândia

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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