A Staff ReporterPranay Kumar Ray, mayoral council member, health, Bidhannagar Municipal Corporation, releases guppy fish (above) into a pond in Duttabad on Monday. Pictures by Mayukh SenguptaSalt Lake: The guppy fish is Bidhannagar Municipal Corporation's weapon of choice to tackle dengue this year. A tank of 20 guppy fish will have as many as 2,000 in a year. The civic body is taking steps early to prevent a dengue outbreak, Pranay Kumar Ray, mayoral council member, health, said. "Guppy fish are very resilient, they can even live in sewers."

Source: The Telegraph April 23, 2018 21:11 UTC