Also found in: Thesaurus, Encyclopedia, Wikipedia.
p·ilot·fishor 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.
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