# pilot fish

> English word · Noun

## Definitions
1. A marine fish, Naucrates ductor, that often follows large vessels and sharks.

## Etymology
So called from its having been supposed to guide sharks to their prey.

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