Brown eagle-ray vs 瑞氏海豚

Aetomylaeus milvus compared with Grampus griseus

Key Differences

• Brown eagle-ray is Endangered while 瑞氏海豚 is Least Concern.

Taxonomic Classification

Rank	Brown eagle-ray	瑞氏海豚
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	Aetomylaeus	Grampus
Species	Aetomylaeus milvus	Grampus griseus

Evolutionary Relationship

Brown eagle-ray and 瑞氏海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Brown eagle-ray

EN — Endangered

瑞氏海豚

LC — Least Concern

Physical Characteristics

Attribute	Brown eagle-ray	瑞氏海豚
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

瑞氏海豚

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

瑞氏海豚

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan