death diagnosis

Hi all, new here and posting for the first time. I have a 20-gallon IM Nuvo. It’s cycled and been running for almost 4 months. I slowly have been adding corals and snails. I decided to get my first fish (2 weeks ago) (after much consideration) and started with a Royal Gramma. It was smaller...

My Royal flasher Wrasse died tonight in the QT, not sure what might have caused it. I have a melanurus wrasse and a Biota yellow tang in the QT currently. Not sure how to proceed. There's no mark on its body (looking for signs of ich, velvet or uronima). But when I move the body it's looks like...

Sorry in advance for this extremely long post. So for some context, I am from India. Saltwater aquariums are not at all popular here, so I have no local lfs that can help me out. I have had 10 years of experience in the fresh water hobby, and am looking to transition into saltwater. I had setup...

Bell’s sea urchin was upside down and looked like its teeth had been kicked in. It might have been starving but I had been giving it nori and he didn’t seem too interested. Anyone have an idea what caused this?

Hi All, I have just encountered an issue in my reef tank, my coral beauty who I have had for just over a month has passed away for no clear reason. We did put her through the 21 day QT and she was thriving both in QT as well as display, she ate well and was very relaxed in the tank. 2 days...