Brown Diving Beetle vs Rusty Crayfish

Agabus brunneus compared with Faxonius rusticus

Key Differences

• Brown Diving Beetle is Extinct while Rusty Crayfish is Not Evaluated.

Taxonomic Classification

Rank	Brown Diving Beetle	Rusty Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Coleoptera (Beetles)	Decapoda (Decapoda)
Family	Dytiscidae	Cambaridae
Genus	Agabus	Faxonius
Species	Agabus brunneus	Faxonius rusticus

Evolutionary Relationship

Brown Diving Beetle and Rusty Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Brown Diving Beetle

EX — Extinct

Rusty Crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Diving Beetle	Rusty Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Rusty Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden