Four-Lined Silverfish vs Pacific Spiny-rat

Ctenolepisma lineata compared with Proechimys decumanus

Key Differences

• Four-Lined Silverfish is Not Evaluated while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Four-Lined Silverfish	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Zygentoma (Zygentoma)	Rodentia (Rodents)
Family	Lepismatidae	Echimyidae
Genus	Ctenolepisma	Proechimys
Species	Ctenolepisma lineata	Proechimys decumanus

Evolutionary Relationship

Four-Lined Silverfish and Pacific Spiny-rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Four-Lined Silverfish

NE — Not Evaluated

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Four-Lined Silverfish	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Four-Lined Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Portugal, Sweden, and United States.

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.