Indonesia’s famed Komodo Island, home to the world’s largest lizards, will soon close to tourists following reports of smugglers stealing and selling dragons, according to local media.

The island will be shuttered in January 2020 for a year, Tempo newspaper reported, noting that the decision was fueled by the recent arrests of nine men who allegedly stole 41 Komodo dragons and sold them abroad ― each for $35,000.

Komodo dragons are considered a vulnerable species by the International Union for Conservation of Nature. UNESCO says about 5,700 dragons live in the wild — all of them in Komodo National Park, which consists of three major islands (Komodo, Rinca and Padar) and a smattering of smaller ones.

Only Komodo Island will be closed to tourists, local officials said; the rest of the park will remain open.

Komodo National Park receives an average of about 10,000 visitors a month, according to CNN. It’s unclear how much impact the closure of Komodo Island will have on this number.

Marius Jelamu, a spokesman for East Nusa Tenggara’s provincial government, said island’s shutdown will give officials the opportunity to preserve the dragons’ habitat and ensure the animals have sufficient food stocks on the island, Tempo reported.