Fat Sand Rat vs

Psammomys obesus compared with Ochrolechia subviridis

Key Differences

• Fat Sand Rat is Least Concern while is Vulnerable.

Taxonomic Classification

Rank	Fat Sand Rat
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Pertusariales (Pertusariales)
Family	Muridae (Mice & Rats)	Ochrolechiaceae
Genus	Psammomys	Ochrolechia
Species	Psammomys obesus	Ochrolechia subviridis

Conservation Status

Fat Sand Rat

LC — Least Concern

VU — Vulnerable

Physical Characteristics

Attribute	Fat Sand Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ochrolechia subviridis is a crustose lichen forming thick, greenish-grey to whitish patches on siliceous rocks and tree bark in oceanic and montane habitats. It produces disc-shaped apothecia with a pale, pruinose surface and contains usnic acid compounds. Its Vulnerable status reflects sensitivity to habitat changes and atmospheric pollution in its restricted range.