[header] How to care for an ornate horned frog [title] Buy from a reputable pet store. [step] If you can, visit a couple of different pet stores before you decide on a frog. Stores have different quality standards of care, so some stores will have healthier frogs than others. 
Buy the healthiest, most robust specimen you can find-it will be easier to care for, and is likely to live longer. [substeps] Only buy a frog if its tank is clean, with no feces floating in the water.