Great Hammerhead vs Hammerhead

Sphyrna mokarran compared with Sphyrna corona

Taxonomic Classification

Rank	Great Hammerhead	Hammerhead
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Chondrichthyes (软骨鱼纲)	Chondrichthyes (软骨鱼纲)
Order same	Carcharhiniformes (真鲨目)	Carcharhiniformes (真鲨目)
Family same	Sphyrnidae (Hammerhead Sharks)	Sphyrnidae (Hammerhead Sharks)
Genus same	Sphyrna (Hammerhead Sharks)	Sphyrna (Hammerhead Sharks)
Species	Sphyrna mokarran	Sphyrna corona

Evolutionary Relationship

Great Hammerhead and Hammerhead share a common ancestor at the Genus level: Sphyrna. (Hammerhead Sharks)

Conservation Status

Great Hammerhead

CR — Critically Endangered

Trend: Decreasing ↓

Hammerhead

CR — Critically Endangered

Physical Characteristics

Attribute	Great Hammerhead	Hammerhead
Diet	Carnivore	—
Average Lifespan	40 years	—
Average Length	5.0 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Great Hammerhead

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 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 Colombia, Taiwan, and Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Hammerhead

Habitat

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

Great Hammerhead

大双髻鲨是最大的双髻鲨物种，体长可达6米，分布于全球热带和亚热带沿海水域。其独特的T形头部（头翼）大幅增加了感觉表面积以用于电场感应，使其能以卓越精度探测藏在沙中的魟鱼——魟鱼是其首选猎物。由于鱼翅价值高昂以及混捕死亡，种群急剧减少，被列为极度濒危物种。