Share this entry

pearlfish Line breaks: pearl|fish
Pronunciation: /ˈpəːlfɪʃ/

Definition of pearlfish in English:

noun (plural same or pearlfishes)

1A long slender fish found chiefly in warmer seas, which lives inside the shells of bivalve molluscs or the body cavities of sea cucumbers and other invertebrates.
  • Family Carapidae: several genera and species
Example sentences
  • One creature that takes advantage of the movement of water to the respiratory trees in the sea cucumber is the pearlfish, or cucumber fish (Carapidae).
  • Cardinalfishes and pearlfishes live inside large gastropods and mollusks.
2A small Argentinian killifish, popular in aquaria.
  • Cynolebius belotti, family Cyprinodontidae

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day doofus
Pronunciation: ˈduːfʌs
a stupid person