INTRODUCTION Aquaculture industry in Malaysia nowadays is becoming one of engine unit of progress that plays a part in the improvement throughout the market in our country. Fisheries industry is one of the key areas of food source in Malaysia. At 2008, aquaculture has achieved about 20. 8% contribution in fisheries industry. Among various types of aquaculture activities, brackish water aquaculture is the predominant practise in the industry. Aquaculture is now one of..