arrow worm vs Brook-Side Alder

Parasagitta elegans compared with Alnus serrulata

Key Differences

• arrow worm is Not Evaluated while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	arrow worm	Brook-Side Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chaetognatha (arrow worms)	Magnoliophyta (Flowering Plants)
Class	Sagittoidea (Sagittoidea)	Magnoliopsida (Dicots)
Order	Aphragmophora (Aphragmophora)	Fagales (Beeches & Oaks)
Family	Sagittidae	Betulaceae
Genus	Parasagitta	Alnus
Species	Parasagitta elegans	Alnus serrulata

Conservation Status

arrow worm

NE — Not Evaluated

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Brook-Side Alder
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.

Brook-Side Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

arrow worm

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

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.