Regulatory News


The setting for the sailing competition in the 2016 Olympic Games in Rio de Janeiro, Guanabara Bay is home to only 35 estuarine dolphins. The figure is part of a detailed survey being carried out since 1995 by Aquatic Mammals (MAQUA) project researchers at State University of Rio de Janeiro. They have been researching the estuarine dolphin which survives in a degraded environment caused by pollution. The animal appears in the coat of arms for the city of Rio.

At the time the coat of arms was designed in the late 19th century, there were hundreds of dolphins in the 328 square kilometers of Guanabara Bay. Today, they are limited to an area of ​​20 square kilometers in areas less impacted by environmental pollution and the movement of ships.

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