Blackboard Tree vs Blackish skate

Alstonia scholaris compared with Rajella nigerrima

Taxonomic Classification

Rank	Blackboard Tree	Blackish skate
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Elasmobranchii
Order	Gentianales (Gentianales)	Rajiformes (Rajiformes)
Family	Apocynaceae	Rajidae
Genus	Alstonia	Rajella
Species	Alstonia scholaris	Rajella nigerrima

Conservation Status

Blackboard Tree

LC — Least Concern

Blackish skate

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Blackish skate
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.

Blackish skate

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

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.

Blackish skate

The Blackish skate (Rajella nigerrima) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.