Guiana Dolphin vs Hammerhead

Sotalia guianensis compared with Sphyrna corona

Key Differences

• Guiana Dolphin is Data Deficient while Hammerhead is Critically Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	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	Sotalia	Sphyrna (Hammerhead Sharks)
Species	Sotalia guianensis	Sphyrna corona

Evolutionary Relationship

Guiana Dolphin and Hammerhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guiana Dolphin

DD — Data Deficient

Hammerhead

CR — Critically Endangered

Physical Characteristics

Attribute	Guiana Dolphin	Hammerhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Hammerhead

Habitat

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