so i have had my mandarin for about 4 months and he is just getting to skinny. i have trained him to eat frozen food such as frozen brine, mysis, plankton, Cyclops out of a syringe with airlline tubing so i can put the food right to him. It just isnt enough hes getting fairly skinny and my 55 gallon with 20L sumo just isnt enough for the amount of pods he needs. If anyone is looking for a mandarin that has a mature and good sized tank with lots of pods you are welcome to have him. I just dont want to see him die.