arrow worm vs Black-eared Red-backed Vole

Parasagitta elegans compared with Eothenomys olitor

Key Differences

• arrow worm is Not Evaluated while Black-eared Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	arrow worm	Black-eared Red-backed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Mammalia (Mammals)
Order	Aphragmophora (Aphragmophora)	Rodentia (Rodents)
Family	Sagittidae	Cricetidae
Genus	Parasagitta	Eothenomys
Species	Parasagitta elegans	Eothenomys olitor

Evolutionary Relationship

arrow worm and Black-eared Red-backed Vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow worm

NE — Not Evaluated

Black-eared Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Black-eared Red-backed Vole
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-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

arrow worm

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

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.