HomeCompare fishYellowbelly gudgeon vs Kamaka rainbowfish Yellowbelly gudgeon vs Kamaka rainbowfish: can they live together? Verdict: Not recommendedThe Yellowbelly gudgeon is best kept in a species tank.An adult Kamaka rainbowfish is about 3 times the length of a Yellowbelly gudgeon and may eat it.Both are comfortable at 21–22°C (70–72°F).A pH of 6.5–7.0 suits both.Side by sideYellowbelly gudgeonKamaka rainbowfishAdult size4.5 cm (1.8 in)14 cm (5.5 in)Minimum tank55 L (15 US gal)210 L (55 US gal)Temperature21–26°C (70–79°F)18–22°C (64–72°F)pH5.5–7.06.5–7.2Hardness2–5 dGH (36–89 ppm)–TemperamentPeacefulPeacefulCommunity tankNot suitableWith cautionCare levelDifficultDifficultDietOmnivoreOmnivoreSpecies profilesYellowbelly gudgeonAllomogurnda nesolepisKamaka rainbowfishMelanotaenia kamaka