The snapping turtle is a very old species of turtle and is a type of freshwater turtle. Exactly how big they can grow is affected by a number of factors. First of all, the difference in size between the wild variety and the captive-bred variety is just different. Wild snapping turtles are very large, and the length of their dorsal armor can reach 70 centimeters or more. In terms of weight, their weight can reach 80 kilograms, and there have even been records of 200 kilograms.