Merriam’s Pocket Mouse vs

Perognathus merriami compared with Nitzschia intermedia

Key Differences

• Merriam’s Pocket Mouse is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Rodentia (Rodents)	Bacillariales (Bacillariales)
Family	Heteromyidae	Bacillariaceae
Genus	Perognathus	Nitzschia
Species	Perognathus merriami	Nitzschia intermedia

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, Sweden, and Taiwan.

Nitzschia intermedia is a pennate diatom in the family Bacillariaceae found in freshwater to slightly brackish habitats, where it inhabits both benthic and planktonic niches. Its elongate frustule with a keeled raphe and fine transapical striae is typical of the large genus Nitzschia. It serves as a bioindicator of moderate organic enrichment and nutrient levels in aquatic monitoring programs.