arrow worm vs Broadgill Catshark

Parasagitta elegans compared with Apristurus riveri

Key Differences

• arrow worm is Not Evaluated while Broadgill Catshark is Least Concern.

Taxonomic Classification

Rank	arrow worm	Broadgill Catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Chondrichthyes (Cartilaginous Fish)
Order	Aphragmophora (Aphragmophora)	Carcharhiniformes (Ground Sharks)
Family	Sagittidae	Scyliorhinidae
Genus	Parasagitta	Apristurus
Species	Parasagitta elegans	Apristurus riveri

Evolutionary Relationship

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

Conservation Status

arrow worm

NE — Not Evaluated

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Broadgill Catshark
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.

Broadgill Catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela.

arrow worm

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

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.