I have received permission from my parents that I can buy fish off websites. Obviously this opens my possibilities of fish and invertebrates that I can own by a whole lot. I have been doing a ton of research on different fish and invertebrate types, their breeding habits, their range of care, etc. (My list was huge!) Now I just have to decide which to choose to breed. I'm not breeding to make money, but I would like to be able to easily get rid of excess fish. Whether you actually have these fish and want to suggest anything, or if you just like a certain one but have never owned them - feel free to comment your opinion either way. I have quite a while before this tank will be up and running, so I have time to decide. Water parameters and tank size(s)- 20 high tank (main), 20 gallon bin ( if necessary), 10 gallon bin (3 ft. long), 5 gallon tank. 8.2 through 8.4 water PH. My water is hard. Temperature cannot be below 72 degrees Fahrenheit (the house is always 72 degrees F.), but I can make the tank as warm as necessary. Substrate will be play sand for the 20 high. Fish I was considering - Livebearers: - Guppies (Bluegrass guppy) - Tiger Limia - Endlers - Least Killifish Egg layers: - Gardneri Killifish Invertebrates: - Cherry Shrimp - Dwarf Crayfish (CPO) As always, thanks for the comments/help! Feel free to suggest other fish options if you have any - I don't mind and maybe I'll see something I like.