Black Bent vs Spinetail ray

Agrostis gigantea compared with Bathyraja spinicauda

Key Differences

• Black Bent is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Black Bent	Spinetail ray
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Liliopsida (単子葉植物綱)	Elasmobranchii
Order	Poales (イネ目)	Rajiformes (ガンギエイ目)
Family	Poaceae (Grass Family)	Arhynchobatidae
Genus	Agrostis	Bathyraja
Species	Agrostis gigantea	Bathyraja spinicauda

Conservation Status

Black Bent

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Black Bent	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway