arrow worm vs Chinese river dolphin

Parasagitta elegans compared with Lipotes vexillifer

Key Differences

• arrow worm is Not Evaluated while Chinese river dolphin is Critically Endangered.

Taxonomic Classification

Rank	arrow worm	Chinese river 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	Lipotidae
Genus	Parasagitta	Lipotes
Species	Parasagitta elegans	Lipotes vexillifer

Evolutionary Relationship

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

Conservation Status

arrow worm

NE — Not Evaluated

Chinese river dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	arrow worm	Chinese river 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.

Chinese river 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.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.