Stonescale koi are a species known to inhabit The Loop region of the Wushanko Isles.
In the Tipping the Scales voyage, the portmaster's crew gathers koi scales from the huge numbers of stonescale koi swarming in the vicinity of Dhar Pei's Vantage.
- ^ Tipping the Scales, RuneScape. "An anonymous tip has revealed that stonescale koi are swarming in huge numbers in the vicinity of Dhar Pei's Vantage. There's profit to be made if you hurry."