arrowworm

See also: arrow worm

English

An arrowworm (Spadella cephaloptera)

Etymology

arrow +‎ worm

Noun

arrowworm (plural arrowworms)

(zoology) A transparent predatory marine worm of the phylum Chaetognatha, found in plankton.

References

arrowworm on Wikipedia.Wikipedia
Chaetognatha on Wikispecies.Wikispecies
Category:Chaetognatha on Wikimedia Commons.Wikimedia Commons

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