A frog cannot tell you it feels rough, and its skin — permeable, delicate, the organ it drinks and partly breathes through — shows trouble late and heals slowly. Adopting from another keeper can be a kind route to a settled, feeding animal, but only if you check the frog, its history and its setup before it changes hands.
Look at the Frog Itself
Visit when the frog is naturally active — evening for most species — because a healthy nocturnal frog asleep at noon tells you nothing. You want bright, responsive behaviour when gently disturbed, and posture that holds the body up off the surface rather than sprawled flat. Skin should be smooth and evenly coloured for the species, without white or grey patches, cottony growth, redness on the belly or thighs, ulcers, or dull retained shed clinging to toes and flanks. Eyes should be clear and open, not sunken or cloudy.
Check body shape both ways. A bloated, swollen frog is as concerning as a bony one with prominent hips and a visible spine; both warrant walking away or a vet's opinion before money moves. Watch it move if you can — limbs should work evenly, and toes should be complete, since missing or damaged toe tips hint at poor sheds or rough housing.
Interrogate the History, Not a Jab Card
Frogs receive no vaccinations, so there is no vaccination history to request. The records that actually predict your first months are feeding and environment. What live foods does it take, how often, how much at a sitting, and does it feed from tongs, a dish, or hunting loose? How are foods dusted — which supplement routine, how frequently — because calcium and vitamin shortfalls surface slowly as weak bones and poor hunting. Has it ever been treated for anything, refused food for a stretch, or been housed with other amphibians, and if so, which species?
Then the setup numbers: day and night temperatures, humidity range, lighting hours, and exactly how water is treated before use. A frog thriving in its current water routine can crash if your home routine differs sharply, so replicate first and adjust later, gradually.
Quarantine Is Part of the Purchase
Decide before collection that the frog goes into a simple separate quarantine enclosure — easy to clean, paper substrate, its own equipment — for at least several weeks, away from any amphibians you already keep. Amphibian diseases, including serious fungal infections, travel with apparently healthy animals, and shared nets or misting bottles spread them efficiently. Handle the new frog last in any care round, and only with clean wet hands or powder-free gloves, since dry skin and skin oils damage amphibian skin.
Weigh it on arrival, photograph its markings, and log appetite from day one; a frog that feeds confidently within the first week in quarantine is confirming everything the checks suggested.
Ask the keeper to hand over the frog's feeding schedule, supplement routine, setup numbers and treatment history through KinsLe's Transferrable Profiles, so the record that decides this frog's health transfers with the animal itself.