HomeCompare fishPeacock gudgeon vs Silver moony Peacock gudgeon vs Silver moony: can they live together? Verdict: Not recommendedThe Silver moony can be semi-aggressive or nip fins.An adult Silver moony is about 3 times the length of a Peacock gudgeon and may eat it.Both are comfortable at 24–25.6°C (75–78°F).A pH of 7.0–7.8 suits both.Side by sidePeacock gudgeonSilver moonyAdult size7.6 cm (3 in)25 cm (9.8 in)Minimum tank40 L (11 US gal)190 L (50 US gal)Temperature22–25.6°C (72–78°F)24–28°C (75–82°F)pH7.0–7.87.0–8.5TemperamentPeacefulSemi-aggressiveCommunity tank–GoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesPeacock gudgeonTateurndina ocellicaudaSilver moonyMonodactylus argenteus