Ecuadorian Cotton Rat vs Ray

Sigmodon inopinatus compared with Bathyraja schroederi

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Ray is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton 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	Sigmodon	Bathyraja
Species	Sigmodon inopinatus	Bathyraja schroederi

Evolutionary Relationship

Ecuadorian Cotton Rat and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Ray

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Ray

Habitat

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

Range

Found in Chile.