Atlantic Stream Crayfish vs Autumn Snowflake

Austropotamobius pallipes compared with Acis autumnalis

Key Differences

• Atlantic Stream Crayfish is Endangered while Autumn Snowflake is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Autumn Snowflake
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Malacostraca (Crustaceans)	Liliopsida (Monocots)
Order	Decapoda (Decapoda)	Asparagales (Asparagales)
Family	Astacidae	Amaryllidaceae
Genus	Austropotamobius	Acis
Species	Austropotamobius pallipes	Acis autumnalis

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Autumn Snowflake

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Autumn Snowflake
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.

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

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.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.