Big Needle Cactus vs Pacific Spiny-rat

Coryphantha macromeris compared with Proechimys decumanus

Key Differences

• Big Needle Cactus is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Big Needle Cactus	Pacific Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Caryophyllales (Caryophyllales)	Rodentia (Rodents)
Family	Cactaceae	Echimyidae
Genus	Coryphantha	Proechimys
Species	Coryphantha macromeris	Proechimys decumanus

Conservation Status

Big Needle Cactus

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Big Needle Cactus	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Needle Cactus

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

Big Needle Cactus

The Big Needle Cactus (Coryphantha macromeris) is a species in the genus Coryphantha. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.