The fish used is a fish without thorns. The fish in the fish meal has no thorns because the fish used is fish without thorns. A stickleless fish refers to a fish that has no spines on its fillets except one main thorn. Common non-sticky fish are Longli fish, also known as oxtongue fish and sole fish. There are also Basha fish, nicknamed grouper, sole and sole rice. There are also dragon head fish, sturgeon, squid and so on.