4 RES in 20 gallon tank
Posted: Thu Jan 26, 2017 10:01 pmI have four RES in a 20 gallon tank. Is this okay? They are all pretty small; about 1.5 inches diameter.
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Posted: Thu Jan 26, 2017 10:01 pmRe: 4 RES in 20 gallon tank
Posted: Fri Jan 27, 2017 3:36 amIt's pretty crowded. I would look for a cheap upgrade until you know their sexes because males often have to be separated from other males and females.