Regulatory News

A group of bottlenose dolphins is again frequenting the archipelago Cagarras, a set of three islands within 5 kilometers of one of the most famous beaches in the world, Ipanema, in Rio de Janeiro. The species hasn’t been seen in the area since 2011, but River Islands project researchers have reported the presence of groups of five to eight dolphins in Cagarras three times this year.

The appearance surprised the specialists that have been monitoring the archipelago since 2004. According to marine biologist Liliane Lodi, at one time, up to 30 dolphins could be seen together in Cagarras. Since 2007, that number began to decline. In 2010 there were only five and the following year, none. The return was a reason for specialists to celebrate because the presence of aquatic mammals also indicates the quality of the ecosystem.

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