Atlantic Spotted Dolphin vs Common hammerhead

Stenella frontalis compared with Sphyrna zygaena

Key Differences

• Atlantic Spotted Dolphin is Data Deficient while Common hammerhead is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Spotted Dolphin	Common hammerhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Sphyrnidae (Hammerhead Sharks)
Genus	Stenella	Sphyrna (Hammerhead Sharks)
Species	Stenella frontalis	Sphyrna zygaena

Evolutionary Relationship

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

Conservation Status

Atlantic Spotted Dolphin

DD — Data Deficient

Common hammerhead

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Spotted Dolphin	Common hammerhead
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.

Common hammerhead

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Denmark, Portugal, Sweden, and Taiwan.

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.

Common hammerhead

The common hammerhead, <em>Sphyrna zygaena</em>, is a cartilaginous fish belonging to the order Carcharhiniformes, family Sphyrnidae. This species is typically found in marine environments and has a distribution that includes the waters of Chile, Denmark, Portugal, Sweden, and Taiwan, reflecting a wide range across both Atlantic and Pacific Ocean systems. As a hammerhead shark, <em>Sphyrna zygaena</em> possesses the characteristic cephalofoil, the laterally expanded head structure that provides enhanced sensory capabilities and hydrodynamic benefits. Hammerhead sharks are generally known to be active, wide-ranging predators within marine ecosystems. No dietary information has been provided for this specific species in current records. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 1 countries:

🇵🇹 Portugal