Sixteen glass aquaria 60=30=36 cm. were used in 16 treatments 4 salinity times
4 temperature levels.. The aquaria were provided with sand and gravel on the bottom to
a depth of 5 cm and the water was aerated with an air-lift system. Ten cylindrical cages
10 cm diameter and 30 cm in height with plastic screen of 2=3 mm mesh., each cage
holding one shrimp, were placed in each aquarium. The total number of juveniles used
was 160.