瓶鼻海豚 vs Norman's shovelnose ray

Tursiops truncatus compared with Rhinobatos lionotus

Key Differences

• 瓶鼻海豚 is Least Concern while Norman's shovelnose ray is Critically Endangered.

Taxonomic Classification

Rank	瓶鼻海豚	Norman's shovelnose ray
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)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rhinopristiformes (犁头鳐目)
Family	Delphinidae (Oceanic Dolphins)	Rhinobatidae
Genus	Tursiops (Bottlenose Dolphins)	Rhinobatos
Species	Tursiops truncatus	Rhinobatos lionotus

Evolutionary Relationship

瓶鼻海豚 and Norman's shovelnose ray share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Norman's shovelnose ray

CR — Critically Endangered

Physical Characteristics

Attribute	瓶鼻海豚	Norman's shovelnose ray
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Norman's shovelnose ray

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。