hi, im looking to get into salt water tanks and my dad has experience with salt water and i have 2 ten gallaon tanks, and 2 20 gallon tanks and im wondering wut (if anything)i can place in them, im not so much interested in fish but i really wanna get into invertabrates and mantis shrimp catch my interest but what can i house with them? i heard they destroy everything and anything, would i be able to have live rock in it? wut about anenomes?