There are always hatchlings in need of homes, and more breeding leads to more tortoises without homes. For this reason, the TAP will not place male and female tortoises together. It is best to keep tortoises outside, regardless of their age. Please see hatchling information for food items. If a tortoise is kept inside, artificial lighting that provides ultraviolet light, is necessary to keep it healthy.
Dog bites can be fatal to tortoises.
A dog that tends to attack animals would not be a good tortoise companion. Rodents may chew on tortoise shells or limbs. Children that pick up tortoises may drop them, which may crack their shells. Tortoises should not be handled by children, and only periodically by adults. Take a look at these digital photos, they should answer your question.