Azorean predacious diving beetle vs Big Water Crayfish

Agabus godmanni compared with Cambarus robustus

Key Differences

• Azorean predacious diving beetle is Endangered while Big Water Crayfish is Least Concern.

Taxonomic Classification

Rank	Azorean predacious diving beetle	Big Water 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	Cambarus
Species	Agabus godmanni	Cambarus robustus

Evolutionary Relationship

Azorean predacious diving beetle and Big Water Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Azorean predacious diving beetle

EN — Endangered

Big Water Crayfish

LC — Least Concern

Physical Characteristics

Attribute	Azorean predacious diving beetle	Big Water Crayfish
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.

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in 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.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.