1 to 3 meters. In clearer waters, silver carp and bighead carp live in the middle and upper layers, so when fishing with a sea pole, you can choose to fish in a slightly shallower place, such as a water depth of 1 to 2 meters. If the water is turbid or there are many obstacles at the bottom, you need to choose a deeper place, such as a water depth of 2 to 3 meters, for fishing.