Atlantic Stream Crayfish vs Caucasian Alder

Austropotamobius pallipes compared with Alnus subcordata

Key Differences

• Atlantic Stream Crayfish is Endangered while Caucasian Alder is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Caucasian Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Malacostraca (Crustaceans)	Magnoliopsida (Dicots)
Order	Decapoda (Decapoda)	Fagales (Beeches & Oaks)
Family	Astacidae	Betulaceae
Genus	Austropotamobius	Alnus
Species	Austropotamobius pallipes	Alnus subcordata

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Caucasian Alder

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Caucasian Alder
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.

Caucasian Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.