Cay Sua vs Dusky catshark

Alstonia scholaris compared with Bythaelurus incanus

Key Differences

• Cay Sua is Least Concern while Dusky catshark is Data Deficient.

Taxonomic Classification

Rank	Cay Sua	Dusky catshark
Kingdom	Plantae (thực vật)	Animalia (động vật)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (động vật có dây sống)
Class	Magnoliopsida (Dicots)	Chondrichthyes (Lớp Cá sụn)
Order	Gentianales (Bộ Long đởm)	Carcharhiniformes (Bộ Cá mập mắt trắng)
Family	Apocynaceae	Scyliorhinidae
Genus	Alstonia	Bythaelurus
Species	Alstonia scholaris	Bythaelurus incanus

Conservation Status

Cay Sua

LC — Least Concern

Dusky catshark

DD — Data Deficient

Physical Characteristics

Attribute	Cay Sua	Dusky catshark
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.

Dusky catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.