Rudder fish Meaning, Definition & Usage

Definitions
  1. . (Zoöl.) (a) The pilot fish . (b) The amber fish (Seriola zonata), which is bluish having six broad black bands . (c) A plain greenish black American fish (Leirus perciformis); called also black rudder fish, logfish, and barrel fish. The name is also applied to other fishes which follow vessels.

Webster 1913