Brown eagle-ray vs Simons’s Mouse Opossum

Aetomylaeus milvus compared with Marmosa simonsi

Key Differences

• Brown eagle-ray is Endangered while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Brown eagle-ray	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Didelphimorphia (Didelphimorphia)
Family	Myliobatidae	Didelphidae
Genus	Aetomylaeus	Marmosa
Species	Aetomylaeus milvus	Marmosa simonsi

Evolutionary Relationship

Brown eagle-ray and Simons’s Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown eagle-ray

EN — Endangered

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Brown eagle-ray	Simons’s Mouse Opossum
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.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.