arrow worm vs Hourglass Dolphin

Parasagitta elegans compared with Lagenorhynchus cruciger

Key Differences

• arrow worm is Not Evaluated while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	arrow worm	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Mammalia (Mammals)
Order	Aphragmophora (Aphragmophora)	Cetacea (Whales & Dolphins)
Family	Sagittidae	Delphinidae (Oceanic Dolphins)
Genus	Parasagitta	Lagenorhynchus
Species	Parasagitta elegans	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

arrow worm

NE — Not Evaluated

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Hourglass Dolphin
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.

Hourglass Dolphin

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.