so i am going to start a terrarium and i cannot choose which one of these to put in the water i have already researched and know it will be the correct amount of space and all that but back to the question i am having a hard time choosing should i get several newts or a betta and 2 dwarf frogs. i have a big piece of wood with moss that the newts or salamanders could climb out on to. i already have a betta but i am still having a hard time choosing. or could i have frogs and newts w/ no betta.