Appalachian Brook Crayfish vs Buckelwal

Cambarus bartonii compared with Megaptera novaeangliae

Key Differences

• Appalachian Brook Crayfish is Least Concern while Buckelwal is Vulnerable.

Taxonomic Classification

Rank	Appalachian Brook Crayfish	Buckelwal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Mammalia (Mammals)
Order	Decapoda (Decapoda)	Cetacea (Whales & Dolphins)
Family	Cambaridae	Balaenopteridae (Rorquals)
Genus	Cambarus	Megaptera (Humpback Whales)
Species	Cambarus bartonii	Megaptera novaeangliae

Evolutionary Relationship

Appalachian Brook Crayfish and Buckelwal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Appalachian Brook Crayfish

LC — Least Concern

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Appalachian Brook Crayfish	Buckelwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Appalachian Brook Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Buckelwal

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 (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Appalachian Brook Crayfish

The Appalachian Brook Crayfish (Cambarus bartonii) 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.

Buckelwal

Among the most acrobatic of the great whales, humpback whales are renowned for their complex, haunting songs sung by males during breeding season — some lasting hours and evolving over time. Reaching 16 meters and 30 tonnes, they undertake the longest migrations of any mammal. Found in all oceans, humpbacks feed on krill and small fish using cooperative bubble-net feeding. Populations have largely recovered from historic whaling.