Smackem, depending on where you’re going to use your camera, say a clear lake, dropping it down toward the bottom and motoring slowly around will work assuming the water isn’t too stained. The more stained the water the closer you’ll want to get to the bottom or where ever the fish are at.
The first section of this video (that was one of my first ) was taken over sand in a relatively even bottom. If I recall about 26 feet of water.
Notice how the camera turns to follow the fish? That’s me twisting the cable in my boat to keep the walleye on the screen.
The last part of the video is in 50 feet of water with boulders. In this case the camera would need to be not only rotated but raised and lowered vertically to keep from being stuck in the rocks.
Flexibility in movement is your friend in viewing fish in their natural environment.