虎鯨 vs

Orcinus orca compared with Methanococcus aeolicus

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)	Methanobacteriota_A
Class	Mammalia (哺乳動物)	Methanococci (甲烷球菌纲)
Order	Cetacea (Whales & Dolphins)	Methanococcales (甲烷球菌目)
Family	Delphinidae (Oceanic Dolphins)	Methanococcaceae
Genus	Orcinus (Orcas)	Methanococcus
Species	Orcinus orca	Methanococcus aeolicus

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。

Methanococcus aeolicus 是甲烷球菌目中的产甲烷古菌，通过以氢气还原二氧化碳来产生甲烷。栖息于海洋沉积物和热液环境，参与厌氧碳循环。与同属其他成员一样，为严格厌氧菌，属中温至轻度嗜热型。