Newt;2041347; said:I have my flounder in freshwater. He eats anything that hits bottom, but he started out on bloodworms and shrimp.
aggressor09;2055461; said:never personally kept flounder but have maintained them at work. i notice a high fatality rate in the typical size fw flounder (1-2 in.) when kept in regular freshwater (then again they have mostly been in cental sump systems so who knows). i hear they thrive in brackish water, with a slightly higher temp (guessing around 82-85) with plenty of oxygenation.