Bottom skate vs 虎鯨

Bathyraja bergi compared with Orcinus orca

Key Differences

• Bottom skate is Least Concern while 虎鯨 is Data Deficient.

Taxonomic Classification

Rank	Bottom skate	虎鯨
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	Elasmobranchii	Mammalia (哺乳動物)
Order	Rajiformes (鳐目)	Cetacea (Whales & Dolphins)
Family	Arhynchobatidae	Delphinidae (Oceanic Dolphins)
Genus	Bathyraja	Orcinus (Orcas)
Species	Bathyraja bergi	Orcinus orca

Evolutionary Relationship

Bottom skate and 虎鯨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Bottom skate

LC — Least Concern

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

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

Habitat & Geographic Range

Bottom skate

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).

Bottom skate

The Bottom Skate (Bathyraja bergi) is a species in the genus Bathyraja. It is currently classified as Least Concern on the IUCN Red List.

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。