<![CDATA[The objectives of the study were to determine the potential role of meiobenthos asa natural food for the black tiger shrimp iPenaeus monodon Fabricius) post larvae, and to investigate the meiobenthos community and environmental factors under feed and non feed conditions of shrimp culture. The research was conducted in laboratory research. The method used was Randomized Complete Block Design in three treatments and three replica• tions. The first treatment ( C) served as a control and contained only Mangrove sediment and sea water. The second, treatment I (TI). contained mangrove sediment. sea water, shrimp postlarvae and feed pellet, and rhe last, treatment 2 (T2), with mangrove sediment, sea water. shrimp postlarvae without feed pellet. The data were collected weekly for S weeks. During the experiment period, environmental factors and organic contents were found within a suit• able range for shrimp culture. There were no significant differences in the values of salinity, water temperature, pH, dissolved oxygen, turbidity, ammonia (NH3), nitrate (N03), and nitrite (N02) among the treatments. This research found that meiobenthos in the stomach content of shrimp prostlarvae, in treatment without feed pellet, was one week longer than that in the treatment with feed pellet. This implied that, in the condition without feed pellet, the shrimp postlarvae could survive and grow with a natural food in the sediment. The study tended recommend that the meiobentos could serve as natural food for post larvae of penaeid shrimp at least for five weeks]]>
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