Highfin dogfish vs Napo Spiny-rat

Centroscyllium excelsum compared with Proechimys quadruplicatus

Key Differences

• Highfin dogfish is Near Threatened while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Highfin dogfish	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Etmopteridae	Echimyidae
Genus	Centroscyllium	Proechimys
Species	Centroscyllium excelsum	Proechimys quadruplicatus

Evolutionary Relationship

Highfin dogfish and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Highfin dogfish

NT — Near Threatened

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Highfin dogfish	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Highfin dogfish

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.