When you own a pet rabbit, you'll occasionally hear it thump its back foot — a motion that results in a dull thud but one with a surprising amount of volume for such a small animal. Rabbits thump their feet when they detect danger, but there's a good chance that your house-dwelling rabbit is never actually in danger. A thump here and there isn't a big deal, but if you're aware of your rabbit thumping frequently, you'll want to be sure that the rabbit isn't in distress in some way.

You don't just want to put any rock in your aquarium. You want to put live rocks in your aquarium that will not just add to the environment from a visual perspective, but will enhance the overall environment. When it comes to purchasing live rock for your aquarium, there are a few different things you need to know.   1. Buy the Live Rock Cured  You don't want to put any dirty rock inside of your aquarium.