Amazonian Marsh Rat vs Scoophead

Holochilus sciureus compared with Sphyrna media

Key Differences

• Amazonian Marsh Rat is Least Concern while Scoophead is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh 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	Cricetidae	Sphyrnidae (Hammerhead Sharks)
Genus	Holochilus	Sphyrna (Hammerhead Sharks)
Species	Holochilus sciureus	Sphyrna media

Evolutionary Relationship

Amazonian Marsh Rat and Scoophead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Scoophead

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Scoophead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh 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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela