Pacific Spiny-rat vs Periquito Robber Frog

Proechimys decumanus compared with Pristimantis stenodiscus

Key Differences

• Pacific Spiny-rat is Near Threatened while Periquito Robber Frog is Critically Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Periquito Robber Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Echimyidae	Craugastoridae
Genus	Proechimys	Pristimantis
Species	Proechimys decumanus	Pristimantis stenodiscus

Evolutionary Relationship

Pacific Spiny-rat and Periquito Robber Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Periquito Robber Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Periquito Robber Frog
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.

Periquito Robber Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.