Bridge Roller vs White River Crayfish

Ancylis uncella compared with Procambarus acutus

Key Differences

• Bridge Roller is Least Concern while White River Crayfish is Not Evaluated.

Taxonomic Classification

Rank	Bridge Roller	White River Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Lepidoptera (Butterflies & Moths)	Decapoda (Decapoda)
Family	Tortricidae	Cambaridae
Genus	Ancylis	Procambarus
Species	Ancylis uncella	Procambarus acutus

Evolutionary Relationship

Bridge Roller and White River Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Bridge Roller

LC — Least Concern

White River Crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Bridge Roller	White River Crayfish
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.

White River Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found across Europe (6 countries).

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden