help please

Hello I am running a Fluval 60. Have gone through green hair , then red Cyanobacteria and now have this lighter green covering that looks like the red cyno in terms of coverage on the sand bed. Tank is 6 months in with a couple of clownfish , snails and a shrimp. No corals currently. Stock...

My bigger clownfish suffered a loss as her friend that she had paired with got eaten by a gorilla crab. My anemone has been continuously moving and it might be because of this. My bigger "assumed female" clownfish has been aggressively attacking my new smaller one and I even saw it lock gills...

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...

Hey so I moved my snail (I think it’s a turbo) and hermit crab from my other tank into this one. I didn’t do an official QT, I just scrubbed the shells really well in a bowl of new + old tank water and then once really clean I dunked them separately in a new dish of RODI. I thought that would be...

Hey everyone, I have an empty 5 gallon tank and I want to get some ideas on what I should do with it. Thank you in advance.

I am having serious problems keeping certain SPS and LPS coral alive. My tank is around 2 years old now, and I have had huge success in keeping soft corals and zoas, but any LPS or SPS coral that I get usually lose their flesh. Montis, Acros, Acans.....they all look great when they go into the...