sardines sardinessmall, silvery, slender fish of the herring family that have one short dorsal fin and no scales on their heads Related Articles: Criteria for Effects of Anthropogenic Sound on FishesHow do fish hear?Dr. Benoit-BirdHow is active acoustics used in fisheries research and management?Autonomous Surface VehiclesGulf Corvina Chris Knowlton2017-02-26T20:10:01-05:00