HomeCompare fishPinktail chalceus vs Lemon tetra Pinktail chalceus vs Lemon tetra: can they live together? Verdict: Not recommendedThe Pinktail chalceus is aggressive towards other fish.An adult Pinktail chalceus is about 5 times the length of a Lemon tetra and may eat it.Both are comfortable at 23–28°C (73–82°F).A pH of 6.0–7.5 suits both.Side by sidePinktail chalceusLemon tetraAdult size25.4 cm (10 in)5 cm (2 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature23–28°C (73–82°F)22–28°C (72–82°F)pH6.0–7.55.5–8.0Hardness6–18 dGH (107–321 ppm)3–25 dGH (54–446 ppm)TemperamentAggressivePeacefulCare levelModerateEasyDietCarnivoreOmnivoreSpecies profilesPinktail chalceusChalceus macrolepidotusLemon tetraHyphessobrycon pulchripinnis