Aosuji tobiei vs Ray's Knotgrass

Aetomylaeus nichofii compared with Polygonum oxyspermum

Key Differences

• Aosuji tobiei is Vulnerable while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Aosuji tobiei	Ray's Knotgrass
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Elasmobranchii	Magnoliopsida (モクレン綱)
Order	Myliobatiformes (トビエイ目)	Caryophyllales (ナデシコ目)
Family	Myliobatidae	Polygonaceae
Genus	Aetomylaeus	Polygonum
Species	Aetomylaeus nichofii	Polygonum oxyspermum

Conservation Status

Aosuji tobiei

VU — Vulnerable

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Aosuji tobiei	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aosuji tobiei

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Aosuji tobiei

The Banded eagle ray (Aetomylaeus nichofii) is a species in the genus Aetomylaeus. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.