Pacific Spiny-rat vs Silky Wave

Proechimys decumanus compared with Idaea dilutaria

Key Differences

• Pacific Spiny-rat is Near Threatened while Silky Wave is Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Silky Wave
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Echimyidae	Geometridae
Genus	Proechimys	Idaea
Species	Proechimys decumanus	Idaea dilutaria

Evolutionary Relationship

Pacific Spiny-rat and Silky Wave share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Silky Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Silky Wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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