Platies and Guppies are both "Live Bearers". So are Mollies and Sword tails. Both great additions. I also have Dwarf Gouramis in my Live bearer tank.
With the shrimp you need to make sure you don't put anything in there that will eat them. The ones I suggested probably wont. Leaf fish, Bettas and other large mouth fish will eat shrimp and some times eat the smaller fish. Good luck!
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