Cá Nhám sáu răng vs blue whale

Hexanchus griseus compared with Balaenoptera musculus

Key Differences

• Cá Nhám sáu răng is Not Evaluated while blue whale is Vulnerable.

Taxonomic Classification

Rank	Cá Nhám sáu răng	blue whale
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Elasmobranchii	Mammalia (lớp Thú)
Order	Hexanchiformes (Bộ Cá mập nguyên thủy)	Cetacea (Whales & Dolphins)
Family	Hexanchidae	Balaenopteridae (Rorquals)
Genus	Hexanchus	Balaenoptera (Rorquals)
Species	Hexanchus griseus	Balaenoptera musculus

Evolutionary Relationship

Cá Nhám sáu răng and blue whale share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Cá Nhám sáu răng

NE — Not Evaluated

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Cá Nhám sáu răng	blue whale
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Cá Nhám sáu răng

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

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

blue whale

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). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Cá Nhám sáu răng

The 6-gilled shark (Hexanchus griseus) is a species in the genus Hexanchus. It is not yet evaluated on the IUCN Red List. It is found across Chile, Denmark, Norway, and 2 other countries, inhabiting Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

blue whale

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.

Shared Countries

Both species can be found in 5 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan