Big Water Crayfish vs Blackboard Tree

Cambarus robustus compared with Alstonia scholaris

Taxonomic Classification

Rank	Big Water Crayfish	Blackboard Tree
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Malacostraca (Crustaceans)	Magnoliopsida (Dicots)
Order	Decapoda (Decapoda)	Gentianales (Gentianales)
Family	Cambaridae	Apocynaceae
Genus	Cambarus	Alstonia
Species	Cambarus robustus	Alstonia scholaris

Conservation Status

Big Water Crayfish

LC — Least Concern

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Big Water Crayfish	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

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.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. 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.