Common hammerhead vs Lesser Cachalot

Sphyrna zygaena compared with Kogia breviceps

Key Differences

• Common hammerhead is Not Evaluated while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Common hammerhead	Lesser Cachalot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Cetacea (Whales & Dolphins)
Family	Sphyrnidae (Hammerhead Sharks)	Kogiidae
Genus	Sphyrna (Hammerhead Sharks)	Kogia
Species	Sphyrna zygaena	Kogia breviceps

Evolutionary Relationship

Common hammerhead and Lesser Cachalot share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common hammerhead

NE — Not Evaluated

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Common hammerhead	Lesser Cachalot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common hammerhead

Habitat

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

Range

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

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

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 3 countries:

🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan