I inherited 2 black kuhli loaches. I have a 32 gallon tall hexagon tank. I feed sinking pellets (2) at night after lights are off so my other fish can't see it to eat. I have a multi species tank. Is it enough food? Also, are 2 enough to make them happy? If I add one more, will they be happy with a striped Kuhli? I really don't want to add more than one due to the bio load and the fact that I don't see them during the day. I do want them to be happy though.