Atlantic Stream Crayfish vs Axehead Orange

Austropotamobius pallipes compared with Acada biseriatus

Key Differences

• Atlantic Stream Crayfish is Endangered while Axehead Orange is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Axehead Orange
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Lepidoptera (Butterflies & Moths)
Family	Astacidae	Hesperiidae
Genus	Austropotamobius	Acada
Species	Austropotamobius pallipes	Acada biseriatus

Evolutionary Relationship

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

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Axehead Orange

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Axehead Orange
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.

Axehead Orange

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

Axehead Orange

The Axehead Orange (Acada biseriatus) is a species in the genus Acada. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.