虎鯨 vs Far Eastern Brook Lamprey

Orcinus orca compared with Lethenteron reissneri

Key Differences

• 虎鯨 is Data Deficient while Far Eastern Brook Lamprey is Least Concern.

Taxonomic Classification

Rank	虎鯨	Far Eastern Brook Lamprey
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Petromyzonti (七鳃鳗纲)
Order	Cetacea (Whales & Dolphins)	Petromyzontiformes (七鰓鰻目)
Family	Delphinidae (Oceanic Dolphins)	Petromyzontidae
Genus	Orcinus (Orcas)	Lethenteron
Species	Orcinus orca	Lethenteron reissneri

Evolutionary Relationship

虎鯨 and Far Eastern Brook Lamprey share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Far Eastern Brook Lamprey

LC — Least Concern

Physical Characteristics

Attribute	虎鯨	Far Eastern Brook Lamprey
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).

Far Eastern Brook Lamprey

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。