Guaira Spiny-rat vs Scoophead

Proechimys guairae compared with Sphyrna media

Key Differences

• Guaira Spiny-rat is Least Concern while Scoophead is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Guaira Spiny-rat

LC — Least Concern

Scoophead

CR — Critically Endangered

Physical Characteristics

Attribute	Guaira Spiny-rat	Scoophead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Scoophead

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 within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela