Check a chameleon in full daylight, because this is a day-active lizard and its condition is easiest to read when it should be awake. Look first from outside the enclosure, then ask the seller to offer it a branch or a finger. You are reading three things together: alertness, hydration, and grip. No single sign settles the question, so a chameleon that passes one check and fails the others is still a chameleon to leave behind.
Alertness and the Eyes
Both eyes sit in turrets that can move independently, and in a chameleon in good condition those turrets look full and rounded, with the small opening watching and turning toward movement. The animal should hold itself up on its legs, walk in a slow, deliberate, swaying step, and react when a hand approaches from the side.
Daytime sleeping is a warning flag here, not a charming trait. So are eyes that stay closed, a body lying flat against a branch, gaping that does not stop, and trembling or jerky movement. A chameleon that has been woken for you should become properly alert within a short watch, not drift back to sleep in your presence.
Hydration You Can Actually See
Sunken eye turrets are the clearest visible caution, because full turrets shrink inward when a chameleon is in poor condition. Also look for wrinkled, dull skin that holds a fold, a thin look along the ribs and tail base, and droppings in the enclosure with orange or yellow urates rather than white ones, which can suggest the animal is not taking in enough water.
Colour alone proves little. A dark chameleon may be cold, stressed by handling, or displaying, and a bright one is not automatically well hydrated. Ask how water is offered, usually as misting or a dripper onto leaves, and ask to see it drink if the seller can arrange that without prolonged handling. A confident tongue shot at a feeder insect, aimed accurately and retracted cleanly, is another reassuring sign.
Testing the Grip Properly
Let the chameleon step onto a branch or finger in its own time. Its feet are arranged for gripping, with toes grouped to close around a perch, and all four feet should close firmly and evenly. It should be able to support its weight, climb a slight incline, and right itself without a leg dangling or slipping.
Do not pull the animal off a branch to test strength, and do not squeeze its body. A weak or uneven grip, a foot that does not close, or limbs that look bowed or swollen are reasons to walk away and, if you already own such an animal, reasons to see a vet who treats reptiles promptly.
Watch Before You Ask to Handle
Spend several minutes simply observing the enclosure before any handling begins. Note whether the chameleon chooses an exposed perch or stays pressed into cover, whether both eyes keep opening after it notices you, and whether it moves away in a steady climb rather than scrambling or freezing flat. A seller who is happy for you to watch quietly, and who can explain the animal's usual routine, is giving you useful evidence alongside the animal itself.
Ask the seller for the species, sex, approximate age, source, and arrival date, plus its diet, supplement routine, misting pattern, and recent feeding and shedding notes. Reptiles are not vaccinated, so that feeding history is the record that matters. KinsLe's Transferrable Profiles helps at handover because those arrival, diet, and shedding notes can travel with the chameleon's own profile instead of being reconstructed later from memory.