Big Water Crayfish vs Lion

Cambarus robustus compared with Panthera leo

Key Differences

• Big Water Crayfish is Least Concern while Lion is Vulnerable.

Taxonomic Classification

Rank	Big Water Crayfish	Lion
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Malacostraca (высшие раки)	Mammalia (млекопитающие)
Order	Decapoda (десятиногие ракообразные)	Carnivora (хищные)
Family	Cambaridae	Felidae (Cats)
Genus	Cambarus	Panthera (Big Cats)
Species	Cambarus robustus	Panthera leo

Evolutionary Relationship

Big Water Crayfish and Lion share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Big Water Crayfish

LC — Least Concern

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Big Water Crayfish	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable 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.

Lion

The largest wild cat in Africa, lions reach up to 250 kg and are the only social felids, living in prides across sub-Saharan savannas and grasslands. Males are distinguished by their iconic manes. As apex predators, they regulate herbivore populations and maintain ecosystem balance. Listed as Vulnerable due to habitat loss and human-wildlife conflict.