Definition of balloonfish in English:

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noun (plural same or balloonfishes)

A tropical porcupine fish which lives in shallow water and can inflate itself when threatened.
  • Diodon holocanthus, family Diodontidae
Example sentences
  • Adult balloonfish are found in relatively shallow areas of the ocean.
  • Also called balloonfish, spiny puffers belong to the Tetraodontiformes, an order of fishes known for their strange structures and odd behaviors.
  • The conch we saw is safe from the balloonfish because its shell is too thick for the balloonfish to break.
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