ive got the sand taken care of. i have a turned over flowerpot and like 6 shells for them. they filled in all the shells except 2 of them. and they take turns going in and out of the 2 shells and the pot. i read that overfeeding "can" induce spawning bcuz they think of it as "hey there is a bounty of food right now, lets have some bay-bays!" ive been feeding them alittle bit more than normal. but i dont think theyve done anything...