blue whale vs

Balaenoptera musculus compared with Haladaptatus paucihalophilus

Key Differences

  • blue whale is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank blue whale
Kingdom Animalia (動物) Archaea (Archaea)
Phylum Chordata (脊索動物) Halobacteriota (Halobacteriota)
Class Mammalia (哺乳類) Halobacteria (高度好塩菌)
Order Cetacea (Whales & Dolphins) Halobacteriales (Halobacteriales)
Family Balaenopteridae (Rorquals) Haladaptataceae
Genus Balaenoptera (Rorquals) Haladaptatus
Species Balaenoptera musculus Haladaptatus paucihalophilus

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.

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。

Haladaptatus paucihalophilus は Halobacteriaceae 科の好塩性古細菌で、ほとんどの極端好塩菌に比べて比較的広い範囲の塩濃度に耐えられる能力が特徴です。低塩分の硫化物に富む湧水から分離され、古細菌の中で珍しい適応を示します。種名はハロゲン化物濃度が低い環境でも生育できる能力を反映しています。

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