Dusky melanomys vs Speckled ray

Melanomys caliginosus compared with Raja polystigma

Taxonomic Classification

Rank	Dusky melanomys	Speckled ray
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Elasmobranchii
Order	Rodentia (قوارض)	Rajiformes (ورنكيات الشكل)
Family	Cricetidae	Rajidae
Genus	Melanomys	Raja
Species	Melanomys caliginosus	Raja polystigma

Evolutionary Relationship

Dusky melanomys and Speckled ray share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Dusky melanomys

LC — Least Concern

Speckled ray

LC — Least Concern

Physical Characteristics

Attribute	Dusky melanomys	Speckled ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky melanomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Speckled ray