Fish purr when swimming. Who wants to download as a ringtone?

Fish usually swim smoothly in the water, so it is difficult to make a sound, so this kind of sound is rarely seen on the internet; I suggest that if you raise fish yourself, you can stir the fish tank, let the fish swim and make a sound, and record it with your mobile phone, which is more vivid; If you want to purr, you can throw an empty glass bottle into the water, make a bubbling sound, and record it with your mobile phone, which is also very interesting. All this requires your mobile phone to have a good recording function.