HomeCompare fishHead-and-taillight tetra vs Chinese sucker Head-and-taillight tetra vs Chinese sucker: can they live together? Verdict: Not recommendedAn adult Chinese sucker is about 12 times the length of a Head-and-taillight tetra and may eat it.Both are comfortable at 22–26°C (72–79°F).A pH of 6.0–7.5 suits both.Side by sideHead-and-taillight tetraChinese suckerAdult size5 cm (2 in)60 cm (24 in)Minimum tank75 L (20 US gal)455 L (120 US gal)Temperature22–26°C (72–79°F)18–28°C (64–82°F)pH6.0–8.06.0–7.5Hardness5–19 dGH (89–339 ppm)–TemperamentPeacefulPeacefulCommunity tankExcellentGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesHead-and-taillight tetraHemigrammus ocelliferChinese suckerMyxocyprinus asiaticus