>>do frogs need UVB? I read on some sites that UVB helps their color and their nutritional synthesis but other sites say UVB is not required?
>>-----
>>1.0 Werner's Three-Horned Chameleon (Chamaeleo Trioceros werneri)
>>1.1 Eastern Tiger Salamanders (Ambystoma tigrinum)
>>0.0.3 Mexican Red-Knee Tarantulas (Brachypelma smithi)

In my experience, frogs in general are often exposed to UV light in the wild. Bullfrogs sitting in shallow water and treefrogs exposed to full sunlight are common sights. In general, we think of amphibians as being incompatible with the sun, as sunlight can overheat a small animal within minutes of direct exposure, but I have seen treefrogs sitting and sleeping on leaves, fully exposed to sunlight for prolonged periods with no deleterious effects. And I have also seen captive treefrogs develop skeletal problems because of calcium deficiency. So, treefrogs do need some vitamin D and of course calcium. Hence a UV lamp would be a good idea, but if calcium and a multi-vitamin supplement is added to the food, then there is obviously no need for UV radiation.

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