Residents at Sentosa Cove installed motion sensor lights and barbed wire fences to keep otters from feeding in their fish ponds. One resident said the otters ate 22 of the 25 koi in her pond.
Hotels in Sentosa were also affected, with one hotel reporting a loss of $85,000 worth of fish over eight months.
A Sentosa Cove resident told My Paper she lost $64,000 worth of koi overnight.
Shangri-La's Rasa Sentosa Resort and Spa was also forced to temporarily relocate the koi from its pond after reportedly losing about $20,000 worth of the fish.