arrow worm vs Blackboard Tree

Parasagitta elegans compared with Alstonia scholaris

Key Differences

• arrow worm is Not Evaluated while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	arrow worm	Blackboard Tree
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chaetognatha (arrow worms)	Magnoliophyta (Flowering Plants)
Class	Sagittoidea (Sagittoidea)	Magnoliopsida (Dicots)
Order	Aphragmophora (Aphragmophora)	Gentianales (Gentianales)
Family	Sagittidae	Apocynaceae
Genus	Parasagitta	Alstonia
Species	Parasagitta elegans	Alstonia scholaris

Conservation Status

arrow worm

NE — Not Evaluated

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

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.