HomeCompare fishDwarf rasbora vs Harlequin rasbora Dwarf rasbora vs Harlequin rasbora: can they live together? Verdict: Not recommendedAn adult Dwarf rasbora is about 14 times the length of a Harlequin rasbora and may eat it.Both are comfortable at 23–25°C (73–77°F).A pH of 5.0–6.0 suits both.Side by sideDwarf rasboraHarlequin rasboraAdult size54 cm (21 in)4 cm (1.6 in)Minimum tank40 L (11 US gal)55 L (15 US gal)Temperature23–27°C (73–81°F)22–25°C (72–77°F)pH5.0–6.05.0–7.0Hardness5–12 dGH (89–214 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesDwarf rasboraBoraras maculatusHarlequin rasboraTrigonostigma heteromorpha