A Pacman frog introduction takes about a minute: the frog sits, considers the ground, and excavates itself a crater. Place it gently on moist substrate in its finished tank, let it wriggle down until only the eyes and the top of its wide head remain, and walk away. This round South American ambush hunter spends its life half-buried waiting for food to walk past, and a first week that lets it do exactly that is a first week done right.
Moist depth: the Pacman frog's non-negotiable floor
A Pacman frog needs substrate it can vanish into that never dries out. Fill the tank with several inches of chemical-free soil or coconut fibre kept evenly damp like a wrung-out sponge, so the frog can burrow to the depth it chooses and keep its skin moist at every level. Add a wide, shallow dish of dechlorinated water, easy to climb into and out of, because this heavy-bodied frog is a poor swimmer and deep water is a drowning risk rather than a luxury. Keep the tank warm and still, away from bright light and vibration, with a low hide or plant cover it will probably ignore in favour of its own excavation.
Why a buried Pacman frog should be left buried
A Pacman frog underground is hunting, resting, and feeling safe all at once, and digging it up to check on it is the fastest way to stress it. This frog also has sensitive skin that absorbs oils and residues from hands, and a mouth that will enthusiastically bite a finger it mistakes for prey, so handling loses on every count. Feed it where it sits, watch it from outside the glass, and clean around it rather than moving it whenever the tank allows. If the frog stays buried for days with its eyes closed and the substrate stays warm and damp, that is ordinary behaviour for this species, not an emergency in progress.
First feeds for a Pacman frog in a new tank
A Pacman frog eats by ambush, so bring the food to the frog. After a couple of settling days, offer an earthworm or other suitable prey on tongs just in front of its face in the evening, wiggling it gently until the frog lunges. Feed modest amounts at first, since this species will grab more than it needs and obesity is a real risk in a frog that barely moves. Remove uneaten live prey promptly, and keep a note of feeding nights and amounts, because a frog you see for a few minutes a week is a frog whose care has to run on records rather than impressions.
Health signals in a Pacman frog's first weeks
A Pacman frog that is settling will sit with eyes bright and level with the soil, lunge decisively at food, and soak in its dish now and then. Seek a vet with amphibian experience if the frog stops responding to food for an extended stretch, develops swelling or redness on the belly or legs, sits out of its burrow listless for days, or forms a dry, hard crust over itself in a tank that has stayed warm and moist, because a frog drying out in correct conditions is a frog in trouble. Also refresh the dish water whenever it soils, which will be often. Putting this frog's feeding nights, dish routine, and strict no-digging rule into KinsLe Family Sharing stops helpers from excavating a perfectly content frog to check it is still there.