HomeCompare fishBlackbarred limia vs Northern trout gudgeon Blackbarred limia vs Northern trout gudgeon: can they live together? Verdict: With cautionThe Northern trout gudgeon can be semi-aggressive or nip fins.The Northern trout gudgeon grows about twice as long as the Blackbarred limia; watch for bullying or predation.Both are comfortable at 25–26°C (77–79°F).A pH of 7.0–7.8 suits both.Minimum tank for the pair: 150 L (40 US gal)Side by sideBlackbarred limiaNorthern trout gudgeonAdult size6 cm (2.4 in)17.5 cm (6.9 in)Minimum tank–150 L (40 US gal)Temperature25–28°C (77–82°F)24–26°C (75–79°F)pH7.0–8.06.0–7.8Hardness9–19 dGH (161–339 ppm)–TemperamentPeacefulSemi-aggressiveCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesBlackbarred limiaLimia nigrofasciataNorthern trout gudgeonMogurnda mogurnda