Bartail spurdog vs Brown Diving Beetle

Squalus notocaudatus compared with Agabus brunneus

Key Differences

• Bartail spurdog is Least Concern while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Bartail spurdog	Brown Diving Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Squaliformes (Squaliformes)	Coleoptera (Beetles)
Family	Squalidae	Dytiscidae
Genus	Squalus	Agabus
Species	Squalus notocaudatus	Agabus brunneus

Evolutionary Relationship

Bartail spurdog and Brown Diving Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bartail spurdog

LC — Least Concern

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Bartail spurdog	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.