arrow worm vs Irrawaddy dolphin

Parasagitta elegans compared with Orcaella brevirostris

Key Differences

• arrow worm is Not Evaluated while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	arrow worm	Irrawaddy 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	Orcaella
Species	Parasagitta elegans	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

arrow worm

NE — Not Evaluated

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	arrow worm	Irrawaddy 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.

Irrawaddy 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.