Olive Nut Truffle vs Pacific Spiny-rat

Hymenogaster olivaceus compared with Proechimys decumanus

Key Differences

• Olive Nut Truffle is Data Deficient while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Olive Nut Truffle	Pacific Spiny-rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Hymenogastraceae	Echimyidae
Genus	Hymenogaster	Proechimys
Species	Hymenogaster olivaceus	Proechimys decumanus

Conservation Status

Olive Nut Truffle

DD — Data Deficient

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Olive Nut Truffle	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive Nut Truffle

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

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.