HomeCompare fishGarnet tetra vs Black sharkminnow Garnet tetra vs Black sharkminnow: can they live together? Verdict: Not recommendedAn adult Black sharkminnow is about 18 times the length of a Garnet tetra and may eat it.Their preferred pH ranges don't overlap.Both are comfortable at 24–27°C (75–81°F).Side by sideGarnet tetraBlack sharkminnowAdult size5 cm (2 in)90 cm (35 in)Minimum tank55 L (15 US gal)475 L (125 US gal)Temperature23–27°C (73–81°F)24–27°C (75–81°F)pH5.0–6.06.5–7.5Hardness5–12 dGH (89–214 ppm)2–15 dGH (36–268 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentGoodCare level–EasyDietOmnivoreOmnivoreSpecies profilesGarnet tetraHemigrammus pulcherBlack sharkminnowLabeo chrysophekadion