Blackboard Tree vs Stone Crayfish

Alstonia scholaris compared with Austropotamobius torrentium

Key Differences

• Blackboard Tree is Least Concern while Stone Crayfish is Data Deficient.

Taxonomic Classification

Rank	Blackboard Tree	Stone Crayfish
Kingdom	Plantae (نباتات)	Animalia (حيوانات)
Phylum	Magnoliophyta (كاسيات البذور)	Arthropoda (مفصليات الأرجل)
Class	Magnoliopsida (ماغنولانية)	Malacostraca (لينات الدرقة)
Order	Gentianales (جنطيانيات)	Decapoda (عشاريات الأرجل)
Family	Apocynaceae	Astacidae
Genus	Alstonia	Austropotamobius
Species	Alstonia scholaris	Austropotamobius torrentium

Conservation Status

Blackboard Tree

LC — Least Concern

Stone Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Blackboard Tree	Stone Crayfish
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.

Stone Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

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.