1. Crabs weighing less than half a catty need to be steamed for 15 minutes, while conches only need to be steamed for 5 to 8 minutes. Conch meat will become harder and harder as the cooking time becomes longer. Because the steaming time of the two is different, it is not suitable to steam and eat crabs and conches together.

2. Conches and crabs are relatively common seafood species. Conches can generally be boiled, boiled, or fried in sauce, while crabs can generally be cooked by stir-frying, steaming, or porridge.