Arrowspine dogfish vs Bridge Roller

Centrophorus moluccensis compared with Ancylis uncella

Key Differences

• Arrowspine dogfish is Vulnerable while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Arrowspine dogfish	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Squaliformes (Squaliformes)	Lepidoptera (Butterflies & Moths)
Family	Centrophoridae	Tortricidae
Genus	Centrophorus	Ancylis
Species	Centrophorus moluccensis	Ancylis uncella

Evolutionary Relationship

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

Conservation Status

Arrowspine dogfish

VU — Vulnerable

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Arrowspine dogfish	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowspine dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Arrowspine dogfish

The Arrowspine dogfish, Centrophorus moluccensis, is a species. It is currently assessed as vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.