Habitat & Lighting

Some husbandry topics cut across species: how UVB actually works and which animals need it, why every heat source belongs on a thermostat, how to build a real thermal gradient instead of a uniformly warm box, and how to measure any of it accurately. This collection covers that shared foundation. Because these are the topics where generalizing is most tempting — and most dangerous — every cross-species guide here ends its recommendations the same way: with a pointer back to species-specific numbers. The physics of a UVB bulb is universal; the correct UV index for your animal is not, and we never pretend otherwise.