As well as being adept hunters of mosquito larvae, paradise fish are said to be highly tolerant of pollution and very easy to keep. Recently, the Taipei County Bureau of Agriculture bred and released tens of thousands of paradise fish, in the hope of recreating their past abundance in Taiwan's rivers.
除了捕食孑孓高手，蓋斑鬥魚還是最耐污染的環保魚，水族業者說牠好養省工，近來台北縣農業局就輕而易舉地人工繁殖與放流了上萬隻蓋斑鬥魚，希望重現台灣鬥魚滿溪流的盛況。