Anglespot river stingray vs 瓶鼻海豚

Potamotrygon orbignyi compared with Tursiops truncatus

Key Differences

Anglespot river stingray is Near Threatened while 瓶鼻海豚 is Least Concern.

Taxonomic Classification

Rank	Anglespot river stingray	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	Potamotrygonidae	Delphinidae (Oceanic Dolphins)
Genus	Potamotrygon	Tursiops (Bottlenose Dolphins)
Species	Potamotrygon orbignyi	Tursiops truncatus

Evolutionary Relationship

Anglespot river stingray and 瓶鼻海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

查看 Phylum: Chordata

Conservation Status

Anglespot river stingray

NT — Near Threatened

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Anglespot river stingray	瓶鼻海豚
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Anglespot river stingray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Colombia. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Anglespot river stingray

The Anglespot river stingray (Potamotrygon orbignyi) is a species in the genus Potamotrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.