baleine bleue vs Ange de mer Kasuzame

Balaenoptera musculus compared with Squatina japonica

Key Differences

• baleine bleue is Vulnerable while Ange de mer Kasuzame is Critically Endangered.

Taxonomic Classification

Rank	baleine bleue	Ange de mer Kasuzame
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squatiniformes (Squatiniformes)
Family	Balaenopteridae (Rorquals)	Squatinidae
Genus	Balaenoptera (Rorquals)	Squatina
Species	Balaenoptera musculus	Squatina japonica

Evolutionary Relationship

baleine bleue and Ange de mer Kasuzame share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

baleine bleue

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Ange de mer Kasuzame

CR — Critically Endangered

Physical Characteristics

Attribute	baleine bleue	Ange de mer Kasuzame
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

baleine bleue

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.

Ange de mer Kasuzame

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Found in Taiwan. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

baleine bleue

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.

Ange de mer Kasuzame

The Change angel shark (Squatina japonica) is a species in the genus Squatina. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan