虎鯨 vs

Orcinus orca compared with Nitrosarchaeum limnae

Key Differences

• 虎鯨 is Data Deficient while is Not Evaluated.

Taxonomic Classification

Rank	虎鯨
Kingdom	Animalia (动物界)	Archaea (Archaea)
Phylum	Chordata (脊索动物门)	Thermoproteota (热变形菌门)
Class	Mammalia (哺乳動物)	Nitrososphaeria (Nitrososphaeria)
Order	Cetacea (Whales & Dolphins)	Nitrososphaerales (Nitrososphaerales)
Family	Delphinidae (Oceanic Dolphins)	Nitrosopumilaceae
Genus	Orcinus (Orcas)	Nitrosarchaeum
Species	Orcinus orca	Nitrosarchaeum limnae

Conservation Status

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

NE — Not Evaluated

Physical Characteristics

Attribute	虎鯨
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

虎鯨

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, Venezuela).

虎鯨

作为海豚科体型最大的成员，虎鲸（Orcinus orca）体长可达9米，体重6吨，分布于从北极到南极的所有海洋。以母系群体生活的顶级捕食者，不同种群具有独特的方言、狩猎策略和文化传统。一些种群专门捕食鱼类，另一些则捕食海洋哺乳动物。没有天敌，虎鲸位于其所栖居的每条海洋食物链的顶端。

Nitrosarchaeum limnae是泉古菌门的一种淡水氨氧化古菌，从康斯坦茨湖沉积物中分离。它是化学无机自养生物，通过将氨氧化为亚硝酸盐获取能量，对淡水生态系统的氮循环有重大贡献。这一发现表明泉古菌氨氧化体并不局限于海洋环境。