Angular angel shark vs Blackboard Tree

Squatina argentina compared with Alstonia scholaris

Key Differences

• Angular angel shark is Critically Endangered while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	Angular angel shark	Blackboard Tree
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Elasmobranchii	Magnoliopsida (Dicots)
Order	Squatiniformes (Squatiniformes)	Gentianales (Gentianales)
Family	Squatinidae	Apocynaceae
Genus	Squatina	Alstonia
Species	Squatina argentina	Alstonia scholaris

Conservation Status

Angular angel shark

CR — Critically Endangered

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Angular angel shark	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular angel shark

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.

Angular angel shark

The Angular angel shark (Squatina argentina) is a species in the genus Squatina. It is currently classified as Critically Endangered on the IUCN Red List.

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.