Opal chimaera vs Pacific Spiny-rat

Chimaera opalescens compared with Proechimys decumanus

Key Differences

• Opal chimaera is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Opal chimaera	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Mammalia (Mammals)
Order	Chimaeriformes (Chimaeriformes)	Rodentia (Rodents)
Family	Chimaeridae	Echimyidae
Genus	Chimaera	Proechimys
Species	Chimaera opalescens	Proechimys decumanus

Evolutionary Relationship

Opal chimaera and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Opal chimaera

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Opal chimaera	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Opal chimaera

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.