The revenge killing happened Saturday in Papua province following the funeral of the man, who perished when he fell into an enclosure at a crocodile farm while looking for grass to feed his livestock, police and conservation officials said.
Local conservation agency head Bassar Manulang said they were told that the farm had agreed to pay compensation. "We made an agreement with the victim's family and conveyed our condolences," he added.
But the mob, which numbered in the "hundreds", was not satisfied and headed to the crocodile farm armed with knives, machetes and shovels which they used to slaughter some 292 crocs, from four-inch-long babies to two-metre adults, authorities said.
The Indonesian archipelago is home to a vast array of wildlife, including several species of crocodile that regularly attack and kill humans.
Two years ago, a Russian tourist was killed by a crocodile in the Raja Ampat islands, a popular diving site in the east of the archipelago.
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