Lightnose Skate vs Pacific Spiny-rat

Breviraja colesi compared with Proechimys decumanus

Key Differences

• Lightnose Skate is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Lightnose Skate	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Rajidae	Echimyidae
Genus	Breviraja	Proechimys
Species	Breviraja colesi	Proechimys decumanus

Evolutionary Relationship

Lightnose Skate and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lightnose Skate

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Lightnose Skate	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lightnose Skate

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.