the fish are flat shape slender with mucus, making the fish moving in the water well. It reduces the friction of water while moving. But the shape and may make the body of the fish is more likely to tip over or roll easily.
a flat shape slender fish with mucus, making the fish move in the water. It reduces the friction of moving water. The streamlined shape of the body may make the fish a chance to tip over or easily overturned. So fin fish requires help to maintain balance in movement and balance rear legs of livestoc