锯缘青蟹(Scylla serrata)是一种可长到重2公斤以上的大型梭子蟹科的蟹类,这种蟹类出现在印度-太平洋地区的河口和红树林沿岸.鉴于锯缘青蟹产区多数渔业衰退,这就更促进了养殖事业的发展.在大多数情况下,这种蟹是与遮目鱼或对虾类混养.池塘养殖主要是靠自然纳入的蟹苗或采捕小蟹育肥的.Ong(1964、1966)曾对锯缘青蟹 Scylla serrata is a large crab that can grow to over 2 kg in weight on the estuarine and mangrove shores of the Indian-Pacific region. Most of the fishery recession, which even promoted the development of aquaculture .In most cases, the crab is mixed with milkfish or prawn polyculture pond farming is mainly by natural inclusion of crab or harvest crab fattening Ong (1964, 1966) had a pair of blue-crested crabs