Cay Sua vs Sailray

Alstonia scholaris compared with Rajella lintea

Key Differences

• Cay Sua is Least Concern while Sailray is Near Threatened.

Taxonomic Classification

Rank	Cay Sua	Sailray
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	Rajidae
Genus	Alstonia	Rajella
Species	Alstonia scholaris	Rajella lintea

Conservation Status

Cay Sua

LC — Least Concern

Sailray

NT — Near Threatened

Physical Characteristics

Attribute	Cay Sua	Sailray
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.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. 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.