VILLAGERS are under siege from an otter which has killed and injured dozens of koi.
Fish-keepers are turning ponds into Fort Knox after the predator caused carnage in night raids.
Oliver George, 27, has lost six carp worth £5,000.
They included 27-year-old Big Bertha whose carcass was flung across the garden.
He has installed electric fences, motion-sensor alarms, cameras, a floodlight and a fake heron.
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Oliver said: “It’s terrifying. I can only think it’s a giant otter because some of these fish weigh a ton.
"We found Big Bertha just left on the lawn with her face half-chewed off.
“One neighbour found the body of a fish halfway down a track. This otter is just taking fish for the sake of it.”
Another villager in Martock, Somerset, had 12 killed while a carp lake lost 30 in the past month to the creature, a protected species.
Dave Webb, from the Wild Otter Trust, said the animals hunted in ponds for easy food when rivers flooded.
He added: “Once in they are like kids in a sweet shop.”
Oliver has been documenting his battle with the otter on TikTok with one video amassing more than 1.4million views.
See his videos here: https://www.tiktok.com/@iamolivergeorge_?_t=8aGTnO19YnN&_r=1