Big eye chimaera vs Brown eagle-ray

Hydrolagus macrophthalmus compared with Aetomylaeus milvus

Key Differences

• Big eye chimaera is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Big eye chimaera	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Elasmobranchii
Order	Chimaeriformes (Chimaeriformes)	Myliobatiformes (Myliobatiformes)
Family	Chimaeridae	Myliobatidae
Genus	Hydrolagus	Aetomylaeus
Species	Hydrolagus macrophthalmus	Aetomylaeus milvus

Evolutionary Relationship

Big eye chimaera and Brown eagle-ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye chimaera

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Big eye chimaera	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye chimaera

Habitat

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

Range

Found in Chile.

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.

Big eye chimaera

The Big eye chimaera (Hydrolagus macrophthalmus) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.