What kind of turtle is the Feng Shui turtle mentioned in Feng Shui?

Guishan Mountain has different names due to its different orientations. There are reverse mountain turtles, looking back turtles, greasy eating turtles, facing turtles, pathfinding turtles, side-looking turtles, ascending mountain turtles, descending water turtles, and enterprising turtles. Turtle, water turtle, mighty turtle, drinking turtle, standing turtle, etc. The incoming and outgoing pulses are like a bamboo in the chest, and all kinds of turtle-shaped water are in response. From this, wealth and longevity will come (please remember).