# porcupine fish

> English word · Noun

## Definitions
1. Any of several tropical fish species in the family Diodontidae that are covered with sharp spines and inflate themselves when threatened.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/porcupine-fish