Gray smooth hound vs Long-nosed Scolomys

Mustelus californicus compared with Scolomys ucayalensis

Taxonomic Classification

Rank	Gray smooth hound	Long-nosed Scolomys
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	Cricetidae
Genus	Mustelus	Scolomys
Species	Mustelus californicus	Scolomys ucayalensis

Evolutionary Relationship

Gray smooth hound and Long-nosed Scolomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray smooth hound

LC — Least Concern

Long-nosed Scolomys

LC — Least Concern

Physical Characteristics

Attribute	Gray smooth hound	Long-nosed Scolomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray smooth hound

Habitat

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

Long-nosed Scolomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.