Brown Diving Beetle vs grass prawm

Agabus brunneus compared with Palaemon elegans

Key Differences

• Brown Diving Beetle is Extinct while grass prawm is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	grass prawm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Coleoptera (Beetles)	Decapoda (Decapoda)
Family	Dytiscidae	Palaemonidae
Genus	Agabus	Palaemon
Species	Agabus brunneus	Palaemon elegans

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

grass prawm

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	grass prawm
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.

grass prawm

Habitat

Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (4 countries), Europe (11 countries), and North America (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.

grass prawm

grass prawm (Palaemon elegans) 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden