While your pet is underwater hold the food in front of it's nose. If it's head isn't wet put one or two drops on it's head. It should smell the food now and become interested in it and should go closer to the tweezers. Habitat Salamanders need a cool environment. Keep lighting to a minimum.
Lights are unnecessary for salamanders.
Most aren't active until night. You need a rock in the center for it to climb on. Also they like a dish to swim in. Salamanders are hard to maintain and hard to find. It is easier to start with waterdogs and let them change into salamanders.