Over fishing is such a serious problem but people don't know how to reduce the impact.
Over fishing has effected people in many ways. Over fishing usually leads to a decline in the population of productive fish, which results in lesser stocking of the fish. This effects the villagers as they loose a key source of protein.
Cutting back on fishery activities will make it possible for fish to breed and produce young ones and this helps keep the cycle in sync and produce the world a healthy source of food.
People need to not finish on certain days and areas so that it allows the fish to grow. Without doing this, our marine life will be deeply inclining