Cay Sua vs Spinetail ray

Alstonia scholaris compared with Bathyraja spinicauda

Key Differences

• Cay Sua is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Cay Sua	Spinetail ray
Kingdom	Plantae (thực vật)	Animalia (động vật)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (động vật có dây sống)
Class	Magnoliopsida (Dicots)	Elasmobranchii
Order	Gentianales (Bộ Long đởm)	Rajiformes (Bộ Cá đuối)
Family	Apocynaceae	Arhynchobatidae
Genus	Alstonia	Bathyraja
Species	Alstonia scholaris	Bathyraja spinicauda

Conservation Status

Cay Sua

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Cay Sua	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cay Sua

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

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.

Cay Sua

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.