Originally Posted by bearwithfish
i recently found these little creatures moving around that look like a super small (about 1/8th inch) white or brown Hershey kiss, and all sorts of worms (some in the rocks others in the sand some smooth others with many legs and digging a lot).. but as for bug like creatures i have yet to see any... about how long before i start seeing them or signs of them?
Your little Hershey's Kiss dudes are chitons. Little tank-scrubbing mollusks that come on live rock. Unless your tank is plastic, there's no need to worry about those.
"All sorts" of worms are fine too. The great and vast majority of marine worms are beneficial scrubbers / substrate cleaners. The only ones you need to worry about are the bright red spiny ones. Those are fireworms -- a specific type of bristleworm that can cause some damage, both to your tank, and you, should your fingers happen to become introduced. Heh. If you see any of those, you might want to do something about it.
The little "bug like" creatures mentioned are pods -- copepods and amphipods. You probably won't see anything like that with the lights on, unless they're really thriving. The best way to spot those is, turn your lights off, wait about two hours, and then take a bright red light to your tank. You'll see them on the rocks, predominantly, but also on the glass. If you have floss filter media in your filtration system, taking that out and allowing some water to run out of it will probably also reveal some.
Chances are, if you see chitons, you have pods, too.