Because crabs need constant supervision, their culture is not an easy task. The supply of snails for their diet is also limited. But as standards of living have risen, and seafood restaurants have become more popular, crab farmers are assured of a handsome profit.
人工養殖的蟳，雖然來源較固定，但因需注意餵食、調整池水的鹽分與溫度，且必須在長成「騷公」或「開花蟳」以前出售，費去養蟹人家可觀的時間、金錢和精力，所以蟳的價格仍較一般海鮮為高。