Buckelwal vs Sargassum Seaweed

Megaptera novaeangliae compared with Sargassum fluitans

Key Differences

Buckelwal is Vulnerable while Sargassum Seaweed is Not Evaluated.

Taxonomic Classification

Rank	Buckelwal	Sargassum Seaweed
Kingdom	Animalia (動物)	Chromista (クロミスタ)
Phylum	Chordata (脊索動物)	Ochrophyta (オクロ植物)
Class	Mammalia (哺乳類)	Phaeophyceae (褐藻)
Order	Cetacea (Whales & Dolphins)	Fucales (Fucales)
Family	Balaenopteridae (Rorquals)	Sargassaceae
Genus	Megaptera (Humpback Whales)	Sargassum
Species	Megaptera novaeangliae	Sargassum fluitans

Conservation Status

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Sargassum Seaweed

NE — Not Evaluated

Physical Characteristics

Attribute	Buckelwal	Sargassum Seaweed
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.

Sargassum Seaweed

Habitat

Native to Africa and Asia and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Iran), and North America (4 countries).

Buckelwal

大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。