Brown eagle-ray vs Dark Gray Boulder Lichen

Aetomylaeus milvus compared with Porpidia cinereoatra

Key Differences

• Brown eagle-ray is Endangered while Dark Gray Boulder Lichen is Near Threatened.

Taxonomic Classification

Rank	Brown eagle-ray	Dark Gray Boulder Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Elasmobranchii	Lecanoromycetes (Lecanoromycetes)
Order	Myliobatiformes (Myliobatiformes)	Lecideales (Lecideales)
Family	Myliobatidae	Lecideaceae
Genus	Aetomylaeus	Porpidia
Species	Aetomylaeus milvus	Porpidia cinereoatra

Conservation Status

Brown eagle-ray

EN — Endangered

Dark Gray Boulder Lichen

NT — Near Threatened

Physical Characteristics

Attribute	Brown eagle-ray	Dark Gray Boulder Lichen
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.

Dark Gray Boulder Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.