Buckelwal vs Chak Ko Shan Crab

Megaptera novaeangliae compared with Geothelphusa monticola

Key Differences

• Buckelwal is Vulnerable while Chak Ko Shan Crab is Least Concern.

Taxonomic Classification

Rank	Buckelwal	Chak Ko Shan Crab
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Cetacea (Whales & Dolphins)	Decapoda (Decapoda)
Family	Balaenopteridae (Rorquals)	Potamidae
Genus	Megaptera (Humpback Whales)	Geothelphusa
Species	Megaptera novaeangliae	Geothelphusa monticola

Evolutionary Relationship

Buckelwal and Chak Ko Shan Crab share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Chak Ko Shan Crab

LC — Least Concern

Physical Characteristics

Attribute	Buckelwal	Chak Ko Shan Crab
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	15.0 m	—
Average Weight	30.0 t	—

Habitat & Geographic Range

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.

Chak Ko Shan Crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.

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.

Chak Ko Shan Crab

The Chak Ko Shan Crab (Geothelphusa monticola) is a species in the genus Geothelphusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan