There's also a type of shrimp that cleans even human teeth. I first saw it on a dive where our guide casually removed her regulator and they approached quickly.

There's also a type of shrimp that cleans even human teeth. I first saw it on a dive where our guide casually removed her regulator and they approached quickly. Here's how it looks (not my video): https://youtu.be/RVNh0liyei8 https://youtu.be/RVNh0liyei8