Amazonian Marsh Rat vs Spotted Darter

Holochilus sciureus compared with Sympetrum depressiusculum

Key Differences

• Amazonian Marsh Rat is Least Concern while Spotted Darter is Vulnerable.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Spotted Darter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Odonata (Odonata)
Family	Cricetidae	Libellulidae
Genus	Holochilus	Sympetrum
Species	Holochilus sciureus	Sympetrum depressiusculum

Evolutionary Relationship

Amazonian Marsh Rat and Spotted Darter share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Spotted Darter

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Marsh Rat	Spotted Darter
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.

Spotted Darter

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Luxembourg, and Taiwan. Currently classified as Vulnerable 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.