HomeCompare fishClown barb vs Harlequin rasbora Clown barb vs Harlequin rasbora: can they live together? Verdict: Not recommendedAn adult Clown barb is about 4 times the length of a Harlequin rasbora and may eat it.Both are comfortable at 24–25°C (75–77°F).A pH of 6.0–7.0 suits both.Side by sideClown barbHarlequin rasboraAdult size14 cm (5.5 in)4 cm (1.6 in)Minimum tank75 L (20 US gal)55 L (15 US gal)Temperature24–28°C (75–82°F)22–25°C (72–77°F)pH6.0–7.05.0–7.0Hardness7–17 dGH (125–303 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown barbPuntius everettiHarlequin rasboraTrigonostigma heteromorpha