You could try it, but most of the time it won't work with a few shrimp. However, there's a method that works, which is:
1) Get a 10 gallon or larger aquarium
2) Get many plants (especially moss) and densely plant it (if you want low-maintenance, go for low-light plants).
3) Order RCS.
4) Allow a colony to establish
5) Add Betta
Because there are around 100 shrimp in that tank, and many plants, the betta will have a harder time eating the shrimplets, and the strongest shrimps will live and reproduce. Sorta like natural selection.
1) Get a 10 gallon or larger aquarium
2) Get many plants (especially moss) and densely plant it (if you want low-maintenance, go for low-light plants).
3) Order RCS.
4) Allow a colony to establish
5) Add Betta
Because there are around 100 shrimp in that tank, and many plants, the betta will have a harder time eating the shrimplets, and the strongest shrimps will live and reproduce. Sorta like natural selection.