10.5   Shrimp Trap

                This trap is mainly used in rivers to catch shrimp. It is cylindrical in shape with the posterior end bigger in circumference than the anterior end. The length of the trap is 39 cm. while the posterior opening is 8.5 cm. diameter. The anterior opening of the trap has a diameter of 4 cm. The main material for the trap including, the male and female non-return funnels, is bamboo. During operation, the trap is baited with cooked rice bran and the anterior end is closed by coconut fibers. It is fixed in rivers during night time by crossed bamboo stakes or covered with stones on its upper side when set.