Biscuit skate vs Bridge Roller

Raja straeleni compared with Ancylis uncella

Key Differences

• Biscuit skate is Near Threatened while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Biscuit skate	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Rajiformes (Rajiformes)	Lepidoptera (Butterflies & Moths)
Family	Rajidae	Tortricidae
Genus	Raja	Ancylis
Species	Raja straeleni	Ancylis uncella

Evolutionary Relationship

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

Conservation Status

Biscuit skate

NT — Near Threatened

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Biscuit skate	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Biscuit skate

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Biscuit skate

The Biscuit skate (Raja straeleni) is a species in the genus Raja. It is currently classified as Near Threatened on the IUCN Red List.

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.