Amazonian Marsh Rat vs Scaly Stalkball

Holochilus sciureus compared with Tulostoma melanocyclum

Key Differences

• Amazonian Marsh Rat is Least Concern while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Scaly Stalkball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Cricetidae	Agaricaceae (Agarics)
Genus	Holochilus	Tulostoma
Species	Holochilus sciureus	Tulostoma melanocyclum

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Scaly Stalkball
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.

Scaly Stalkball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.