Atlantic Dolphin vs Roughskin Dogfish

Delphinus delphis compared with Cirrhigaleus asper

Key Differences

• Atlantic Dolphin is Least Concern while Roughskin Dogfish is Data Deficient.

Taxonomic Classification

Rank	Atlantic Dolphin	Roughskin Dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squaliformes (Squaliformes)
Family	Delphinidae (Oceanic Dolphins)	Squalidae
Genus	Delphinus	Cirrhigaleus
Species	Delphinus delphis	Cirrhigaleus asper

Evolutionary Relationship

Atlantic Dolphin and Roughskin Dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Dolphin

LC — Least Concern

Roughskin Dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Dolphin	Roughskin Dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Roughskin Dogfish

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.