Blackboard Tree vs Broadgill Catshark

Alstonia scholaris compared with Apristurus riveri

Taxonomic Classification

Rank	Blackboard Tree	Broadgill Catshark
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	Scyliorhinidae
Genus	Alstonia	Apristurus
Species	Alstonia scholaris	Apristurus riveri

Conservation Status

Blackboard Tree

LC — Least Concern

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Broadgill Catshark
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.

Broadgill Catshark

Habitat

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

Range

Found in Venezuela.

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.

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.