Big Water Crayfish vs gray wolf

Cambarus robustus compared with Canis lupus

Key Differences

• Big Water Crayfish is Least Concern while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	Big Water Crayfish	gray wolf
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Arthropoda (सन्धिपाद)	Chordata (रज्जुकी)
Class	Malacostraca (Crustaceans)	Mammalia (स्तनधारी)
Order	Decapoda (Decapoda)	Carnivora (मांसाहारी गण)
Family	Cambaridae	Canidae (Dogs & Wolves)
Genus	Cambarus	Canis (Dogs & Wolves)
Species	Cambarus robustus	Canis lupus

Evolutionary Relationship

Big Water Crayfish and gray wolf share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

Big Water Crayfish

LC — Least Concern

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Big Water Crayfish	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States