Atlantic Stream Crayfish vs Epaulard

Austropotamobius pallipes compared with Orcinus orca

Key Differences

• Atlantic Stream Crayfish is Endangered while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Epaulard
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Malacostraca (Crustaceans)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Decapoda (Decapoda)	Cetacea (Whales & Dolphins)
Family	Astacidae	Delphinidae (Oceanic Dolphins)
Genus	Austropotamobius	Orcinus (Orcas)
Species	Austropotamobius pallipes	Orcinus orca

Evolutionary Relationship

Atlantic Stream Crayfish and Epaulard share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

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.

Epaulard

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

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.

Epaulard

The largest member of the dolphin family, orcas reach up to 9 meters and 6 tonnes and are found in every ocean from Arctic to Antarctic. Apex predators living in matrilineal pods with distinct dialects, hunting strategies, and cultural traditions that differ between populations. Some populations specialize in fish, others in marine mammals. No natural predators; orcas sit at the top of every marine food chain they inhabit.