Why lionfish have become a threat to Brazil’s ecosystem

In less than two months, the Fernando de Noronha archipelago has registered 10 occurrences of lionfish, the most recent was last Thursday.

RIO DE JANEIRO, BRAZIL - Considered invasive, the lionfish species has no known natural predators in Brazil and poses a risk to marine life in the local ecosystem and to human health.

The data are from the Chico Mendes Institute for Biodiversity Conservation (ICMBio), which also catalogued a sighting in the country in December last year. The fish is endemic to regions bordering the confluence of the Indian and Pacific Oceans (Indo-Pacific).

Of the 11 animals recorded in Noronha between December 2020 and now, 6 were captured, 4 of them last month. Another 4 were only sighted: 2 on Thursday . . .

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