Nightly Small Meals for the Youngster, Spaced Meals for the Adult
The clearest difference is rhythm. A young African fat-tailed gecko is converting food into length, muscle, and the fat reserve its species stores in that thick tail, so it feeds well on a nightly schedule of modest portions. An adult has finished growing and holds condition on fewer, larger feeds spread across the week, with rest days between. Keep a juvenile on an adult's sparse timetable and growth stalls; keep an adult on a juvenile's nightly abundance and the body swells beyond the tail, a route to an overweight gecko. Match the calendar to the life stage first, then fine-tune portions by how the animal looks.
Prey Size and the Quiet Way It Is Offered
Youngsters take small crickets, little roach nymphs, and other insects no wider than the space between their eyes, presented at dusk close to the hide they sleep in. African fat-tailed geckos are retiring hunters that startle at looming movement, so slide prey in gently with tongs or let insects loose on the warm side near the hide entrance rather than dropping them over the gecko. Adults handle noticeably larger insects and may prefer to ambush from the hide mouth. In both cases remove uneaten crickets by morning, but with a shy juvenile, minimise torch-lit rummaging at night, since repeated disturbance teaches it that feeding time is frightening.
Dusting Matters More While Bone Is Still Growing
Every juvenile feed should carry a light coat of calcium powder, because a growing skeleton draws on it constantly and insects alone supply very little. Adults still benefit from dusted prey, though the routine can relax slightly alongside a varied insect rotation. Gut-loading the insects on vegetables and leafy pieces a day ahead improves what either age receives. Keep a shallow water dish filled and a humid hide available; a well-hydrated gecko feeds more confidently, and youngsters in particular can go off food when their shed approaches and their skin dulls, resuming once the shed completes.
Reading the Tail Through Both Life Stages
That namesake tail is your feed gauge. On a growing juvenile it should widen gradually from a slim start into the plump teardrop this species is known for, matching a body that stays smooth along the flanks. A tail that stays thread-thin while siblings or records suggest steady growth, or one that thins after being plump, points to underfeeding, stress, or illness, and a reptile veterinarian should weigh in if appetite is also poor. On an adult, a tail vastly broader than the head alongside a dragging belly signals the opposite error: portions or frequency need trimming. Weigh monthly and jot the figure down rather than judging by eye alone.
Two Feeding Rhythms, One Shared Timetable
Homes keeping both a juvenile and an adult of this species run two different feeding calendars in the same evening round, which is exactly where mix-ups happen. Logging each gecko's schedule separately in KinsLe through Care Teams lets whoever does the dusk round see at a glance whose insects get dusted tonight and whose night off it is.