HomeCompare fishMolly vs Bold characodon Molly vs Bold characodon: can they live together? Verdict: Not recommendedThe Bold characodon is best kept in a species tank.The Bold characodon is aggressive towards other fish.The Molly grows about twice as long as the Bold characodon; watch for bullying or predation.Both are comfortable at 22–24°C (72–75°F).A pH of 7.5–8.0 suits both.Side by sideMollyBold characodonAdult size10 cm (3.9 in)5 cm (2 in)Minimum tank–75 L (20 US gal)Temperature21–26°C (70–79°F)22–24°C (72–75°F)pH7.5–8.27.0–8.0Hardness11–30 dGH (196–535 ppm)6–20 dGH (107–357 ppm)TemperamentPeacefulAggressiveCommunity tank–Not suitableCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesMollyPoecilia sphenopsBold characodonCharacodon audax