Cay Sua vs roker

Alstonia scholaris compared with Raja clavata

Key Differences

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

Taxonomic Classification

Rank	Cay Sua	roker
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	Raja
Species	Alstonia scholaris	Raja clavata

Conservation Status

Cay Sua

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Cay Sua	roker
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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, 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.