HomeCompare fishPygmy gourami vs Moonlight gourami Pygmy gourami vs Moonlight gourami: can they live together? Verdict: Not recommendedThe Moonlight gourami is aggressive towards other fish.The Pygmy gourami is best kept in a species tank.An adult Moonlight gourami is about 3 times the length of a Pygmy gourami and may eat it.Both are comfortable at 25–28°C (77–82°F).A pH of 6.0–7.0 suits both.Side by sidePygmy gouramiMoonlight gouramiAdult size4 cm (1.6 in)13 cm (5.1 in)Minimum tank40 L (11 US gal)110 L (29 US gal)Temperature25–28°C (77–82°F)25–30°C (77–86°F)pH6.0–7.06.0–8.0Hardness5–19 dGH (89–339 ppm)2–25 dGH (36–446 ppm)TemperamentPeacefulAggressiveCommunity tankNot suitableGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesPygmy gouramiTrichopsis pumilaMoonlight gouramiTrichogaster microlepis