active shrimp

Hi there, I have a 5 gallon tank with a betta, 4 rasboras, and a cardinal tetra(yes ik not greatest stocking but right now there's not much I can do about it (parents etc.)) Anyway, I also have 3 assassin snails, 2 red cherries and 3 tiger shrimp. At the moment,t one of the RCS are hiding...