Child’s Rice Rat vs Ray

Nephelomys childi compared with Sympterygia bonapartii

Key Differences

• Child’s Rice Rat is Least Concern while Ray is Near Threatened.

Taxonomic Classification

Rank	Child’s Rice Rat	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Arhynchobatidae
Genus	Nephelomys	Sympterygia
Species	Nephelomys childi	Sympterygia bonapartii

Evolutionary Relationship

Child’s Rice Rat and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Child’s Rice Rat

LC — Least Concern

Ray

NT — Near Threatened

Physical Characteristics

Attribute	Child’s Rice Rat	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Child’s Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Child’s Rice Rat

The Child’s Rice Rat (Nephelomys childi) is a species in the genus Nephelomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.