blunt tellin vs Common hammerhead

Arcopagia crassa compared with Sphyrna zygaena

Key Differences

• blunt tellin is Vulnerable while Common hammerhead is Not Evaluated.

Taxonomic Classification

Rank	blunt tellin	Common hammerhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Chondrichthyes (Cartilaginous Fish)
Order	Cardiida (Cardiida)	Carcharhiniformes (Ground Sharks)
Family	Tellinidae	Sphyrnidae (Hammerhead Sharks)
Genus	Arcopagia	Sphyrna (Hammerhead Sharks)
Species	Arcopagia crassa	Sphyrna zygaena

Evolutionary Relationship

blunt tellin and Common hammerhead share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

blunt tellin

VU — Vulnerable

Common hammerhead

NE — Not Evaluated

Physical Characteristics

Attribute	blunt tellin	Common hammerhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common hammerhead

Habitat

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

Range

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

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

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 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden