Hammerhead vs Harmless Serotine

Sphyrna corona compared with Eptesicus innoxius

Key Differences

• Hammerhead is Critically Endangered while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Hammerhead	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Chiroptera (Bats)
Family	Sphyrnidae (Hammerhead Sharks)	Vespertilionidae
Genus	Sphyrna (Hammerhead Sharks)	Eptesicus
Species	Sphyrna corona	Eptesicus innoxius

Evolutionary Relationship

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

Conservation Status

Hammerhead

CR — Critically Endangered

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Hammerhead	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hammerhead

Habitat

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

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.