Merriam’s Pocket Mouse vs Silverfish

Perognathus merriami compared with Ctenolepisma longicaudatum

Key Differences

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

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Zygentoma (Zygentoma)
Family	Heteromyidae	Lepismatidae
Genus	Perognathus	Ctenolepisma
Species	Perognathus merriami	Ctenolepisma longicaudatum

Evolutionary Relationship

Merriam’s Pocket Mouse and Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Silverfish

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Cyprus, Taiwan), Europe (11 countries), and North America (United States).