do fish replace scales
fish do not shed their scales when they grow as boss man says.. one thing I learned is when a fish loses its scales or a scale...the fish will not grow at all until the scale/scales are fully replaced or repaired ...this is because all of the fishes energy and nutrition go into regrowing the missing scales.ne thing I learned is when a fish loses its scales or a scale...the fish will not grow at all until the scale/scales are fully replaced or repaired ...this is because all of the fishes energy and nutrition go into regrowing the missing scales.