vs blue whale

Alexandrium minutum compared with Balaenoptera musculus

Key Differences

is Not Evaluated while blue whale is Vulnerable.

Taxonomic Classification

Rank		blue whale
Kingdom	Chromista (クロミスタ)	Animalia (動物)
Phylum	Myzozoa (ミゾゾア門)	Chordata (脊索動物)
Class	Dinophyceae (渦鞭毛藻)	Mammalia (哺乳類)
Order	Gonyaulacales (Gonyaulacales)	Cetacea (Whales & Dolphins)
Family	Ostreopsidaceae	Balaenopteridae (Rorquals)
Genus	Alexandrium	Balaenoptera (Rorquals)
Species	Alexandrium minutum	Balaenoptera musculus

Conservation Status

NE — Not Evaluated

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

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

Habitat & Geographic Range

Habitat

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

Range

Widely distributed across Africa (Egypt, South Africa), Asia (4 countries), Europe (8 countries), North America (Mexico), and Oceania and the Pacific (Australia).

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.

Alexandrium minutumは麻痺性貝毒の原因となるサキシトキシンを産生することで知られる小型の装甲海洋渦鞭毛藻である。世界中の温帯から温暖な沿岸・河口域に生息する。有害藻類ブルームを形成し、濾過摂食性二枚貝の体内に毒素が蓄積する原因となる。

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。