Atlantic Smooth Dogfish vs Bridge Roller

Mustelus canis compared with Ancylis uncella

Key Differences

• Atlantic Smooth Dogfish is Near Threatened while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Atlantic Smooth Dogfish	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Triakidae	Tortricidae
Genus	Mustelus	Ancylis
Species	Mustelus canis	Ancylis uncella

Evolutionary Relationship

Atlantic Smooth Dogfish and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Smooth Dogfish

NT — Near Threatened

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Smooth Dogfish	Bridge Roller
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.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.