Bridge Roller vs Stone Crayfish

Ancylis uncella compared with Austropotamobius torrentium

Key Differences

• Bridge Roller is Least Concern while Stone Crayfish is Data Deficient.

Taxonomic Classification

Rank	Bridge Roller	Stone Crayfish
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Arthropoda (節足動物)	Arthropoda (節足動物)
Class	Insecta (昆虫)	Malacostraca (軟甲綱)
Order	Lepidoptera (チョウ目)	Decapoda (十脚目)
Family	Tortricidae	Astacidae
Genus	Ancylis	Austropotamobius
Species	Ancylis uncella	Austropotamobius torrentium

Evolutionary Relationship

Bridge Roller and Stone Crayfish share a common ancestor at the Phylum level: Arthropoda. (節足動物)

Conservation Status

Bridge Roller

LC — Least Concern

Stone Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Bridge Roller	Stone 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.

Stone Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

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.