article_snippet.sent: Over the past week, thousands of the silver fish have died and have been scooped out of Rodrigo de Freitas lake, but city authorities and biologists have argued about the cause of the deaths.
article_snippet.sent: Rodrigo de Freitas lake is set to host the Olympic rowing and canoeing events during next year's Games in Rio de Janeiro, Brazil .
article_snippet.sent: Rower and Olympic hopeful Felipe Xavier said: 'I have to come train but these dead fish bother Rower and Olympic hopeful Felipe Xavier because the smell is very strong and the huge amount of fish slows the boat.'
article_snippet.sent: In February, twaite shad died  in the blighted waters of Guanabara Bay, where the Olympic sailing events are to be held.
article_snippet.sent: Members of a local rowing club have to train among the dead fish in Rodrigo de Freitas lake ahead of the Olympic Games in the city in 2016 .
article_snippet.sent: : A man sits on a boat filled with dead fish in Rodrigo de Freitas lake, where Olympic events are due to be held next year .
article_snippet.sent: A man rows in the lake surrounded by thousands of dead fish ahead of the Olympics in the city next year .
highlights_snippet.sent: Rotting silver fish have filled Rodrigo de Freitas lake where rowing and canoeing events should take place next year .
  