The freshwater snails weighing one or two kilograms in my country refer to large freshwater snails. Common ones include Chinese giant snails, Malaysian snails, giant snails, etc. Among them, the Chinese giant snail, whose scientific name is Bellamyachinensis, is a freshwater snail that is distributed in rivers and lakes in southern my country. It is large in size, with a shell length of up to 15-20 centimeters, and a weight generally between one and two pounds. The scientific name of the Malaysian snail is Pilagigantea. It is also a freshwater snail. It is distributed in rivers and lakes in southern my country. It is also very large, with a shell length of 20-30 cm and a weight of one to two kilograms. Giant snails refer to one of a variety of large freshwater snails. They are larger in size, with a shell length of 20-30 centimeters and a weight of one to two kilograms. It should be noted that these large freshwater snails are protected animals in our country and cannot be caught or eaten at will.