beneficial

So I went to feed my tank and seen a baby snail I have 2 turbo snail 2 astrea snails 2 sand shifting snails and a Babylon snail I have no clue where this little guy came from or how he survived with the amount of inverts I have please help ID I don’t know what this is and haven’t added anything...

What is this? I saw this on my rock. Is this a bad thing or a good thing? If bad, how do I remove it?

I was wondering about my Firefish Goby this morning, can Firefish breed with Helfrichi's or Purple Dartfish? I know Flower horns are the product of breeding 2 or 3 fish species but I'm super interested in what the marine hobby has to offer for different morphs in species. I'm very interested in...

We all like to treat our Coral with dip and maybe some of us don't do it or never have at all. I would like to know, what is the coolest hitchhiker that has made their way into your tank? Through buying Coral, live rock or live sand or anything. It would be interesting to find out if anyone has...

I believe its an isopod. Cant tell if its a good thing or bad.