Hammerhead vs Napo Spiny-rat

Sphyrna corona compared with Proechimys quadruplicatus

Key Differences

• Hammerhead is Critically Endangered while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Hammerhead	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Sphyrnidae (Hammerhead Sharks)	Echimyidae
Genus	Sphyrna (Hammerhead Sharks)	Proechimys
Species	Sphyrna corona	Proechimys quadruplicatus

Evolutionary Relationship

Hammerhead and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hammerhead

CR — Critically Endangered

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Hammerhead	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hammerhead

Habitat

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

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.