Atlantic Spotted Dolphin vs Lesser Siren

Stenella frontalis compared with Siren intermedia

Key Differences

• Atlantic Spotted Dolphin is Data Deficient while Lesser Siren is Least Concern.

Taxonomic Classification

Rank	Atlantic Spotted Dolphin	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Sirenidae
Genus	Stenella	Siren
Species	Stenella frontalis	Siren intermedia

Evolutionary Relationship

Atlantic Spotted Dolphin and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Spotted Dolphin

DD — Data Deficient

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Spotted Dolphin	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Spotted Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Norway, Portugal, and Venezuela.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

Atlantic Spotted Dolphin

The Atlantic Spotted Dolphin (Stenella frontalis) is a species in the genus Stenella. Its conservation status is listed as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.