Brazilian cow-nose ray vs 瓶鼻海豚

Rhinoptera brasiliensis compared with Tursiops truncatus

Key Differences

• Brazilian cow-nose ray is Vulnerable while 瓶鼻海豚 is Least Concern.

Taxonomic Classification

Rank	Brazilian cow-nose ray	瓶鼻海豚
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	Myliobatiformes (鱝目)	Cetacea (Whales & Dolphins)
Family	Myliobatidae	Delphinidae (Oceanic Dolphins)
Genus	Rhinoptera	Tursiops (Bottlenose Dolphins)
Species	Rhinoptera brasiliensis	Tursiops truncatus

Evolutionary Relationship

Brazilian cow-nose ray and 瓶鼻海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Brazilian cow-nose ray

VU — Vulnerable

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Brazilian cow-nose ray	瓶鼻海豚
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Brazilian cow-nose ray

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).

Brazilian cow-nose ray

The Brazilian cow-nose ray (Rhinoptera brasiliensis) is a species in the genus Rhinoptera. It is currently classified as Vulnerable on the IUCN Red List.

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。