Bishop ray vs Knotgrass

Aetobatus narinari compared with Paspalum distichum

Key Differences

• Bishop ray is Near Threatened while Knotgrass is Least Concern.

Taxonomic Classification

Rank	Bishop ray	Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Elasmobranchii	Liliopsida (Monocots)
Order	Myliobatiformes (Myliobatiformes)	Poales (Grasses)
Family	Myliobatidae	Poaceae (Grass Family)
Genus	Aetobatus	Paspalum
Species	Aetobatus narinari	Paspalum distichum

Conservation Status

Bishop ray

NT — Near Threatened

Knotgrass

LC — Least Concern

Physical Characteristics

Attribute	Bishop ray	Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bishop ray

Habitat

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

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Knotgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 8 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (8 countries), Asia (21 countries), Europe (21 countries), North America (4 countries), Oceania and the Pacific (5 countries), and South America (4 countries).

Bishop ray

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan