arrow worm vs Polynesian rat

Parasagitta elegans compared with Rattus exulans

Key Differences

• arrow worm is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	arrow worm	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Mammalia (Mammals)
Order	Aphragmophora (Aphragmophora)	Rodentia (Rodents)
Family	Sagittidae	Muridae (Mice & Rats)
Genus	Parasagitta	Rattus
Species	Parasagitta elegans	Rattus exulans

Evolutionary Relationship

arrow worm and Polynesian rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow worm

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Polynesian rat
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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

arrow worm

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