blue whale vs

Balaenoptera musculus compared with Melosira octogona

Key Differences

  • blue whale is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank blue whale
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) Bacillariophyceae (クサリケイソウ綱)
Order Cetacea (Whales & Dolphins) Melosirales (Melosirales)
Family Balaenopteridae (Rorquals) Melosiraceae
Genus Balaenoptera (Rorquals) Melosira
Species Balaenoptera musculus Melosira octogona

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

NE — Not Evaluated

Physical Characteristics

Attribute blue whale
Diet Carnivore
Average Lifespan 90 years
Average Length 30.0 m
Average Weight 150.0 t

Habitat & Geographic Range

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.

Habitat

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

Range

Distributed across Brazil, Norway, and Sweden.

blue whale

地球上で生きたことが知られている最大の動物であるシロナガスクジラ(Balaenoptera musculus)は、体長33メートル、体重200トンに達することができ、心臓だけで小型自動車ほどの重さがあります。全ての海洋に生息し、極地の餌場と熱帯の繁殖地の間を回遊します。1日最大4トンのオキアミを摂取する濾過摂食者です。20世紀の捕鯨による絶滅危機からの回復後、世界的な個体数は10,000〜25,000頭と推定される絶滅危惧種です。

Melosira octogona は帯状面から見ると八角形の断面が見える円筒形細胞の長い連鎖を形成する糸状の中心目淡水珪藻類である。温帯地域の河川、小川、濁った淡水環境の底生および浮遊帯に生息する。この光合成珪藻類は河川性および濁った淡水生息地で一般的に見られる。

Shared Countries

Both species can be found in 2 countries:

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia