The rare treasure can be found in a cave containing a crab, treasure and a bubble blower. The crab will try to steal some of the treasure, however, if you let him steal all the treasure he'll give you an Emerald which is the rare treasure.
Chat with our AI personalities
The rare treasure on aqua grabber is the black pearl on clam waters it is worth 50 coins. There you have it!
It looks like a black pearl. There isn't really a cheat to get it, you just have to go around to all of the small clams and wait till they open their mouths to see if it's the right one.
Aqua Grabber
aqua grabber at the iceberg
Aqua Grabber IS the most money making game if you get all the peals including the grand pearl and the rare black pearl