Bridge Roller vs Smooth hound

Ancylis uncella compared with Mustelus mento

Key Differences

• Bridge Roller is Least Concern while Smooth hound is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Bridge Roller

LC — Least Concern

Smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Bridge Roller	Smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.