Pacific Spiny-rat vs Scaly Stalkball

Proechimys decumanus compared with Tulostoma melanocyclum

Key Differences

• Pacific Spiny-rat is Near Threatened while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Pacific Spiny-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	Echimyidae	Agaricaceae (Agarics)
Genus	Proechimys	Tulostoma
Species	Proechimys decumanus	Tulostoma melanocyclum

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Scaly Stalkball
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.