Broadmouth cat shark vs Common Periwinkle

Apristurus macrostomus compared with Littorina littorea

Taxonomic Classification

Rank	Broadmouth cat shark	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Gastropoda (Gastropoda)
Order	Carcharhiniformes (Ground Sharks)	Littorinimorpha (Littorinimorpha)
Family	Scyliorhinidae	Littorinidae
Genus	Apristurus	Littorina
Species	Apristurus macrostomus	Littorina littorea

Evolutionary Relationship

Broadmouth cat shark and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Broadmouth cat shark

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Broadmouth cat shark	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadmouth cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Taiwan.

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Broadmouth cat shark

The Broadmouth Cat Shark (Apristurus macrostomus) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Common Periwinkle

Common Periwinkle (Littorina littorea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.