HomeCompare fishSpindle hap vs Blue orchid aulonocara Spindle hap vs Blue orchid aulonocara: can they live together? Verdict: Not recommendedThe Spindle hap is aggressive towards other fish.Both are comfortable at 22–27°C (72–81°F).A pH of 7.5–8.0 suits both.Side by sideSpindle hapBlue orchid aulonocaraAdult size14 cm (5.5 in)10 cm (3.9 in)Minimum tank285 L (75 US gal)115 L (30 US gal)Temperature22–27°C (72–81°F)22–28°C (72–82°F)pH7.5–8.07.5–8.3Hardness9–19 dGH (161–339 ppm)–TemperamentAggressivePeacefulCare level–EasyDietOmnivoreOmnivoreSpecies profilesSpindle hapProtomelas taeniolatusBlue orchid aulonocaraAulonocara maylandi kandeensis