Blackboard Tree vs Smooth hound

Alstonia scholaris compared with Triakis maculata

Key Differences

• Blackboard Tree is Least Concern while Smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Smooth hound
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Chondrichthyes (Cartilaginous Fish)
Order	Gentianales (Gentianales)	Carcharhiniformes (Ground Sharks)
Family	Apocynaceae	Triakidae
Genus	Alstonia	Triakis
Species	Alstonia scholaris	Triakis maculata

Conservation Status

Blackboard Tree

LC — Least Concern

Smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Blackboard Tree	Smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackboard Tree

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.

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackboard Tree

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.