Ecuadorian Cotton Rat vs Reticulate round ray

Sigmodon inopinatus compared with Urotrygon reticulata

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Reticulate round ray is Critically Endangered.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Reticulate round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Urotrygonidae
Genus	Sigmodon	Urotrygon
Species	Sigmodon inopinatus	Urotrygon reticulata

Evolutionary Relationship

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

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Reticulate round ray

CR — Critically Endangered

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Reticulate round 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.

Reticulate round ray