Azorean predacious diving beetle vs Black-Lined Periwinkle

Agabus godmanni compared with Littorina saxatilis

Key Differences

• Azorean predacious diving beetle is Endangered while Black-Lined Periwinkle is Least Concern.

Taxonomic Classification

Rank	Azorean predacious diving beetle	Black-Lined Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Coleoptera (Beetles)	Littorinimorpha (Littorinimorpha)
Family	Dytiscidae	Littorinidae
Genus	Agabus	Littorina
Species	Agabus godmanni	Littorina saxatilis

Evolutionary Relationship

Azorean predacious diving beetle and Black-Lined Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Azorean predacious diving beetle

EN — Endangered

Black-Lined Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Azorean predacious diving beetle	Black-Lined Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azorean predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Azorean predacious diving beetle

The Azorean predacious diving beetle (Agabus godmanni) is a species in the genus Agabus. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇵🇹 Portugal