Atlantic Stream Crayfish vs Birch Marble

Austropotamobius pallipes compared with Apotomis betuletana

Key Differences

• Atlantic Stream Crayfish is Endangered while Birch Marble is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Birch Marble
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	Tortricidae
Genus	Austropotamobius	Apotomis
Species	Austropotamobius pallipes	Apotomis betuletana

Evolutionary Relationship

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

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Birch Marble

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Birch Marble
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.

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.