<![CDATA[Indonesia's huge fishery potential has been recognized by the world. Fishing is an effort/activity that involves the exploitation of a resource in the sea or through public waters, whether commercially or not. The Malacca Strait is one of the territorial waters that is bounded by three countries, namely Indonesia in the west, Malaysia in the east and Thailand in the northeast. One of the catches of pelagic fisheries in the waters of the Malacca Strait that has important economic value is mackerel. This study aims to understand trends in fish catches, examine the effect of variations in temperature and chlorophyll-a in fish catches and provide basic information for fisheries management in the waters of the Malacca Strait. The stages of this research method consist of 3, namely first, chlorophyll-a and temperature data input from in-situ measurements and satellite data and catch production data, the second is the process stage, namely data input in the correlation test and t test and monthly CPUE production data. bloated and cob for 5 years. The results showed that the fluctuations in SST values in the Malacca Strait in 2020 ranged from 25.11 0C - 31.07 0C, the range of chlorophyll-a concentrations in the waters of the Malacca Strait from January 2015 to December 2020 was between 0.17 mg/m3 (February 2015). 2006) to 2.70 mg/m3 (December 2016). The variation in the catch of mackerel (Rastrelliger sp) in the waters of the Malacca Strait is in the range between 23,701.3 kg/trip (February 2007) to 105.47 kg/trip (March 2017). The number of tuna catches in the waters of the Malacca Strait is in the range of 2.94 kg/trip (December 2016) to 173.20 kg/trip (March 2016).]]>
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