STOCK STUDY OF ARWANA IRIAN FISH IN WANGGO RIVER OF SOTA DISTRICT

Irian Arwana Fish is one type of potential ornamental fish that has high economic value. Some rivers in Merauke Regency are categorized as arwana fish production centers, one of which is Wanggo River. The high market demand for Irian Arwana fish encourages local people to make arrests continuously. The purpose of the study was to determine the value of MSY and Fopt and determine the stock status of Irian Arwana Fish on the Wanggo River. The study was conducted for 2 months with data analysis including CPUE, MSY and Fopt. The results showed that the sustainable potential value (MSY) of Irian Arwana fish in Wanggo River was 521,358 with Fopt 5000 trip. Stock of Irian Arwana Fish is classified as under fishing because the number of catches and catching efforts have not passed the total MSY and Fopt, so that fishing efforts can still continue, while maintaining the specified MSY and Fopt limits.