madmeats:

He said the Chinese use propellers mounted on small boats to break the coral and dig into the 150-square-kilometer lagoon at Panatag (also known as Scarborough) Shoal for clams which are stacked at the shoal’s bank. The clams are later hauled by a larger vessel. https://globalnation.inquirer.net/176297/chinese-vessels-continue-clam-harvest-in-panatag?utm_medium=Social&utm_source=Facebook=1560469003