Designing a Wet-to-Dry Gradient Across a 90 cm Amphibian Tank

Ninety centimetres of tank is enough room to give an amphibian an actual choice. Most enclosures offer one climate, and the animal either tolerates it or does not. A gradient turns that into a range the animal manages itself: a wet corner at 90 percent, a dry corner at 65 percent, and a slope of dam…