hello i am new

Hello Reef 2 Reef Members. I just wanted to introduce myself. Brand new to hobby but feel like I have watched days of YouTube videos and read a lot of blog post on here about starting my aquarium. Starting w/ a 65 gallon / 15 gallon sump. Will try to start my build post today of what I set up so...

I was sitting at my desk last night and saw this little crab crawling pet of my live rock and I did some research and I looked like it might be a baby teddy bear crab? I am not sure and would appreciate some help in identifying him. Also is this a good or bad hitchhiker? (I know it’s hard to...