Amazonian Marsh Rat vs Fatspine spurdog

Holochilus sciureus compared with Squalus crassispinus

Taxonomic Classification

Rank	Amazonian Marsh Rat	Fatspine spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Cricetidae	Squalidae
Genus	Holochilus	Squalus
Species	Holochilus sciureus	Squalus crassispinus

Evolutionary Relationship

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

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Fatspine spurdog

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Fatspine spurdog
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.

Fatspine spurdog

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.