Atlantic Stream Crayfish vs Brown Slender Toad

Austropotamobius pallipes compared with Ansonia leptopus

Key Differences

• Atlantic Stream Crayfish is Endangered while Brown Slender Toad is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Brown Slender Toad
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Amphibia (Amphibians)
Order	Decapoda (Decapoda)	Anura (Frogs & Toads)
Family	Astacidae	Bufonidae
Genus	Austropotamobius	Ansonia
Species	Austropotamobius pallipes	Ansonia leptopus

Evolutionary Relationship

Atlantic Stream Crayfish and Brown Slender Toad share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Brown Slender Toad

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Brown Slender Toad
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.

Brown Slender Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.

Brown Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.