HomeCompare fishGreater scissortail vs Harlequin rasbora Greater scissortail vs Harlequin rasbora: can they live together? Verdict: Not recommendedAn adult Greater scissortail is about 4 times the length of a Harlequin rasbora and may eat it.Both are comfortable at 22–25°C (72–77°F).A pH of 6.0–6.8 suits both.Side by sideGreater scissortailHarlequin rasboraAdult size15 cm (5.9 in)4 cm (1.6 in)Minimum tank210 L (55 US gal)55 L (15 US gal)Temperature20–26°C (68–79°F)22–25°C (72–77°F)pH6.0–6.85.0–7.0Hardness9–17 dGH (161–303 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankWith cautionExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesGreater scissortailRasbora caudimaculataHarlequin rasboraTrigonostigma heteromorpha