Bonnet hammerhead vs Bogenstirn-Hammerhai

Sphyrna tiburo compared with Sphyrna lewini

Key Differences

• Bonnet hammerhead is Endangered while Bogenstirn-Hammerhai is Critically Endangered.

Taxonomic Classification

Rank	Bonnet hammerhead	Bogenstirn-Hammerhai
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Chondrichthyes (Knorpelfische)	Chondrichthyes (Knorpelfische)
Order same	Carcharhiniformes (Grundhaie)	Carcharhiniformes (Grundhaie)
Family same	Sphyrnidae (Hammerhead Sharks)	Sphyrnidae (Hammerhead Sharks)
Genus same	Sphyrna (Hammerhead Sharks)	Sphyrna (Hammerhead Sharks)
Species	Sphyrna tiburo	Sphyrna lewini

Evolutionary Relationship

Bonnet hammerhead and Bogenstirn-Hammerhai share a common ancestor at the Genus level: Sphyrna. (Hammerhead Sharks)

Conservation Status

Bonnet hammerhead

EN — Endangered

Bogenstirn-Hammerhai

CR — Critically Endangered

Physical Characteristics

Attribute	Bonnet hammerhead	Bogenstirn-Hammerhai
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bonnet hammerhead

Habitat

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

Bogenstirn-Hammerhai

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 9 distinct biome types spanning the Indomalayan and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Chile, Colombia, Taiwan, and Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bonnet hammerhead

The Bonnet hammerhead (Sphyrna tiburo) is a species in the genus Sphyrna. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Bogenstirn-Hammerhai

The Bronze Hammerhead Shark (Sphyrna lewini) is a species in the genus Sphyrna. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 9 distinct biome types spanning the Indomalayan