Chestnut Coloured Click Beetle vs grass prawm

Anostirus castaneus compared with Palaemon elegans

Taxonomic Classification

Rank	Chestnut Coloured Click 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	Elateridae	Palaemonidae
Genus	Anostirus	Palaemon
Species	Anostirus castaneus	Palaemon elegans

Evolutionary Relationship

Chestnut Coloured Click Beetle and grass prawm share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

grass prawm

LC — Least Concern

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	grass prawm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

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).

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. It is currently classified as Least Concern 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden