Currently, I have two saltwater tanks. One is a 6.6 gallon nano reef in which I have a small (1.5-2 inch each) mated pair of Harlequin Shrimp along with soft corals and a few other reef critters (Neon Goby, 1.5 inch Emerald Crab, 1 inch Porcelain Crab. My other tank is a 20L dedicated to my 4.5 inch peacock mantis shrimp. The only other resident of that tank at the moment is a 4 inch reddish Chocolate Chip Star. Currently I have been feeding my Harlequins Chocolate Chips. (well, I fed them once so far. I’ve had them 2-3 weeks. Been told to feed them about every 2 weeks.) In fact, the star in my Mantis tank was to be a feeder, but I decided he was too big and I didn’t want him getting out of hand and munching on my corals. I am still determining how appropriate of a permanent tank-mate he is for my mantis shrimp. All