pilot fish

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or pilot fish (pī′lət-fĭsh′)
n. pl. pilotfish or pi·lot·fish·es or pilot fish or pilot fish·es
A marine carangid fish (Naucrates ductor) that often swims in company with sharks and other large fishes and with sea turtles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pilot fish



1. (Animals) a small carangid fish, Naucrates ductor, of tropical and subtropical seas, marked with dark vertical bands: often accompanies sharks and other large fishes
2. (Animals) any of various similar or related fishes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
Picture to yourself the pilot fish with the shark, the jackal with the lion--anything that is insignificant in companionship with what is formidable: not only formidable, Watson, but sinister--in the highest degree sinister.
The gilets-jaunes, and the hooligans or "casseurs" (breakers) who have ridden along like pilot fish, have been at the centre of weeks of unrest.
Even more than "the rich" (Gerald and Sara Murphy) and "the pilot fish" (John Dos Passos) who leads them to their prey, this calculating and determined young woman emerges as the villain of the piece, destroying the idyllic marriage of Ernest and Hadley.
In fairness, Hadley and Jorgie Porter shouldn't have refused to serve Lady C and her pilot fish Chris "Liar" Eubank and crybaby Kieron Dyer as they enjoyed their night of luxury.
A 10-inch pilot fish becomes a feast for the three starving survivors.
Just like sharks and pilot fish, opportuneurs and talented people live in synchronised symbiosis.
High-frequency traders are similarly content to take steady profits by nibbling around the edges of these massive trades, like pilot fish trailing a shark and picking up tiny morsels from his big kills.
Anyone interested in rare sights should watch in Macquarie Street on Fridays to see Callinan and Mr Justice Gleeson arriving for lunch; the former growing more gargantuan by the minute, the latter small and shrivelling; the former lumbering, the latter skipping; just like Puck and Bottom; or like a giant shark with his little pilot fish. As a barrister he had a big practice, and his career was studded with brilliant successes.
He went on to note," Someone on the board has to be prepared to object if management does not observe the rules of good behavior, if management seeks excessive compensation, or if management is creating unacceptable risks." Others have stressed the value of having a "pilot fish" on the board, who is unafraid to swim upstream.
"Big Fish Little Fish" - a shark and pilot fish captured by Len Deeley from Surrey