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[1/4] A fisherman holds a dead stingray at Ilha do Fundao, on the banks of the Guanabara Bay, in Rio de Janeiro, Brazil April 11, 2023. REUTERS/Pilar Olivares
April 11 (Reuters) - Dozens of dead stingrays appeared on a beach in Rio de Janeiro this week, sparking confusion and concern in the local community.
Local fishermen reported the first sightings early on Tuesday. A woman who lives in the fishing village said she noticed the incident shortly after dawn, prompting the arrival of vultures.
"This made us all sad. We've never seen the death of stingrays like this here," said fisherman Renato dos Reis Oliveira.
Biologist Ricardo Gomes, from the Mar Urbano Institute, argued the absence of other dead species on the beach indicates the incident was likely not caused by pollutants or a lack of oxygen in the water.
"This makes the hypothesis of trawling more evident in the cases of these stingrays," he said.
Trawling is a fishing technique that involves pulling a net through the water behind one or more boats.
"This is not (the stingray's natural) place, so this is strange even for the people who are here and who live off fishing," said environmentalist Isabeli Delois.
"Something very bad happened," she added.
