arrow worm vs Black-shouldered Opossum

Parasagitta elegans compared with Caluromysiops irrupta

Key Differences

• arrow worm is Not Evaluated while Black-shouldered Opossum is Least Concern.

Taxonomic Classification

Rank	arrow worm	Black-shouldered Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Mammalia (Mammals)
Order	Aphragmophora (Aphragmophora)	Didelphimorphia (Didelphimorphia)
Family	Sagittidae	Didelphidae
Genus	Parasagitta	Caluromysiops
Species	Parasagitta elegans	Caluromysiops irrupta

Evolutionary Relationship

arrow worm and Black-shouldered Opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow worm

NE — Not Evaluated

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Black-shouldered Opossum
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.

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

arrow worm

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

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.