Atlantic Smooth Dogfish vs Pacific Spiny-rat

Mustelus canis compared with Proechimys decumanus

Taxonomic Classification

Rank	Atlantic Smooth Dogfish	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Triakidae	Echimyidae
Genus	Mustelus	Proechimys
Species	Mustelus canis	Proechimys decumanus

Evolutionary Relationship

Atlantic Smooth Dogfish and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Smooth Dogfish

NT — Near Threatened

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Smooth Dogfish	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Smooth Dogfish

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Atlantic Smooth Dogfish

The Atlantic Smooth Dogfish (Mustelus canis) is a species in the genus Mustelus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.