<![CDATA[The purpose of this research was to investigate the catch composition and catch per unit effort of shrimp captured using ciker net of fishermen in Tegalkamulyan Cilacap district. The sample was collected using ciker net between the first week of February and April 2008. The samples were separated between shrimp and fishes then measured total biomass weight. Individual shrimp was identifi ed, measured their weight and total length. The daily shrimp catch data was grouped based on lunar circulation into new moon, first quarter, full moon and third quarter. The t-test and anova was performed to the means catch between shrimp and fish, and shrimp and group of catch. The results showed that the catch during new moon was significantly higher than full moon, but not significantly different with the first and third moon. The average catch per trip of ciker net composted of shrimp (9.27 kg) which was not significantly different with fish weight (6.8 kg). The shrimp catch composed of fi ve species, namely: Penaeus monodon, Penaeus merguiensis, Metapenaeus ensis, Penaeus longipes and Parapenaopsis sculptilis. The highest average catch of shrimp was P. merguiensis 5.76 kg (62.2%) then followed by M. ensis 2.03 kg (21.9%), while the rest was other shrimp. Based on individual length and weight, P. monodon, P. merguiensis and M. ensis were categorized into big size shrimps, while others were small size. The sex ratio of P. monodon and P. merguiensis was 1:1, while others were not equally to 1:1.]]>
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