Atlantic Stream Crayfish vs Azure Hawker

Austropotamobius pallipes compared with Aeshna caerulea

Key Differences

• Atlantic Stream Crayfish is Endangered while Azure Hawker is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Azure Hawker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Odonata (Odonata)
Family	Astacidae	Aeshnidae
Genus	Austropotamobius	Aeshna
Species	Austropotamobius pallipes	Aeshna caerulea

Evolutionary Relationship

Atlantic Stream Crayfish and Azure Hawker share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Azure Hawker

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Azure Hawker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Stream Crayfish

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Ireland and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Azure Hawker

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.

Atlantic Stream Crayfish

The Atlantic Stream Crayfish (Austropotamobius pallipes) is a species in the genus Austropotamobius. It is currently classified as Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

Azure Hawker

The Azure Hawker (Aeshna caerulea) is a species in the genus Aeshna. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.