Credit: Proyrat Chaowajaroenpong and Ong-art Kumprasert (Thailand) The culture of blue swimming crab, Portunus pelagicus is carried out in earthen ponds. Appropriate water salinity for the blue swimming crab culture ranges from 20-30 g/l. Crabs are fed trash fish which is usually offered twice/day throughout the growing season that extends to about 6 months. In the …