Set the right goal
You are not going to turn a kuhli loach into a midday centre-stage fish, and chasing that usually means stressing it. The realistic win is a kuhli that treats daylight as usable time: foraging the leaf litter on overcast mornings, staying out when you walk past, making brief, relaxed appearances whenever it feels like it. Every step below serves that single goal — a fish so sure of its escape routes that hiding becomes a choice, not a reflex.
Numbers first, again
A lone kuhli or a pair will almost never show in daylight; the group is the courage. Six is the floor, and eight to ten transforms behaviour, because kuhlis take their cues from each other — one fish out feeding in the open is a safety signal the others physically follow. If your kuhlis only ever appear after dark, adding more kuhlis is the highest-value change you can make, ahead of any redecorating.
Cover so complete that daylight feels like dusk
Kuhlis travel like mice along skirting boards. Give them continuous shelter across the whole floor — dried leaf litter between the plants, low driftwood tangles, coconut caves and stone piles with gaps, no long stretch of open sand they must cross exposed. Light matters just as much: floating plants, taller stems shading the floor and, if your light allows it, a gentle ramp rather than a sudden full-brightness switch-on all lower the perceived risk of being out. Under a thick plant canopy, midday at floor level genuinely resembles dusk, and the loaches behave accordingly.
Move dinner earlier, in small steps
Feeding time is a trainable clock. Feed at lights-out for a week until the group reliably pours out at that hour, then shift the feed earlier in small steps — twenty or thirty minutes at a time, holding each step for several days. Scatter a few sinking pellets into the leaf litter along with the main feed, and add a tiny daytime snack dropped quietly into cover, so daylight itself starts to smell like food. Most groups shift their boldest hour to late afternoon within a few weeks, with individuals appearing earlier and earlier around it. Keep the light timer fixed throughout, so 'safe hours' stay predictable.
Remove the reasons to stay hidden
Boisterous bottom-dwellers, large curious tankmates and frequent hands-in-tank rearranging all reset a kuhli's confidence to zero; choose calm companions and disturb the floor layout as little as possible. A group that still never shows even in the evening may be telling you something else — thin bodies, faded bands or food left untouched overnight warrant a water test and a closer look. Keep the whole shifted schedule visible to the household in KinsLe, where Care Teams can assign each feed to whoever is home at that hour, every one confirmed with a timestamp so the training never slips backwards.