Who knows if the tool fish scavenger is a feng shui fish? . . . .

Yamaguchi people and water are the main wealth! Fish has nothing to do with feng shui. So whether it's a feng shui fish or not is one thing. Developed countries and regions all over the world are coastal or surrounded by water, so it doesn't matter what fish are in the water. Speaking of feng shui fish, what kind of fish does it do? That's a trick.