Brown eagle-ray vs Olive Nut Truffle

Aetomylaeus milvus compared with Hymenogaster olivaceus

Key Differences

• Brown eagle-ray is Endangered while Olive Nut Truffle is Data Deficient.

Taxonomic Classification

Rank	Brown eagle-ray	Olive Nut Truffle
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Basidiomycota (担子菌門)
Class	Elasmobranchii	Agaricomycetes (真正担子菌綱)
Order	Myliobatiformes (トビエイ目)	Agaricales (ハラタケ目)
Family	Myliobatidae	Hymenogastraceae
Genus	Aetomylaeus	Hymenogaster
Species	Aetomylaeus milvus	Hymenogaster olivaceus

Conservation Status

Brown eagle-ray

EN — Endangered

Olive Nut Truffle

DD — Data Deficient

Physical Characteristics

Attribute	Brown eagle-ray	Olive Nut Truffle
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.

Olive Nut Truffle

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden.

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.