Hello, I have a new addition to my tank that sprang up out of nowhere. I have a 20g system w/ 20 lbs LR. 3 damsels, 1 pepermint shirmp, 2 turbos, a handful of mexican red leg hermits and a few small snails, hawwian feather duster. 10 months old, i use carbon and have a bak pak skimmer, plus a...

So this morning we found this creature on the front glass of the tank. No clue as to what it is or how it got there. It is very small perhaps 4cm in size. Can someone identify this mystery creature? Thanks Dianne

lifted up some of my live rock and found a couple different things on the bottom of it so i was hoping someone could help identify these things.