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Definition of rudderfish
: any of various fishes reputed to follow or accompany ships:
c : any of several butterfishes (family Stromateidae)
d : any of various fishes of the family Kyphosidae especially : bermuda chub
e : the opaleye or other fish of the family Girellidae
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Time Traveler for rudderfish
The first known use of rudderfish was in 1735
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