HomeCompare fishClown rasbora vs Head-and-taillight tetra Clown rasbora vs Head-and-taillight tetra: can they live together? Verdict: CompatibleBoth are comfortable at 24–26°C (75–79°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 110 L (29 US gal)Side by sideClown rasboraHead-and-taillight tetraAdult size9 cm (3.5 in)5 cm (2 in)Minimum tank110 L (29 US gal)75 L (20 US gal)Temperature24–29°C (75–84°F)22–26°C (72–79°F)pH5.5–7.06.0–8.0Hardness2–10 dGH (36–178 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown rasboraRasbora kalochromaHead-and-taillight tetraHemigrammus ocellifer