sudden death

Tonight my yellow tang suddenly died. It went from happy and healthy swiming around te tank to lying on its side on the bottom of the tank barely breathing in less then 1 hour. Every other fish in the tank and all the corals are happy an healthy looking. I gave my tang a little chato from the...

My six line wrasse who I have had since June 2014 has been living with a bicolor, a clown fish, and a very very small damsel in a 40g, no problems best friends. First week of Nov added a valentini puffer who seemed to do his own thing never messed with anyone and they ignored him. When feeding...

Tonight when I got home from work I fed my finish just like every other day and all of them were eating great. About an hour later I noticed my male Picasso clown swimming away from his anemone (very strange). Within minutes he was swimming sideways, upside down and jumping out of the water. I...

55gal live rock tank, just switched over to a canister filter (marine land c-220) which was run for two hours in a blank tank then integrated to new tank. I took the old system offline after four hour overlap and checking all levels. Within three hours my six year old Hippo Tang, Felix, was...

Good Morning All, I have been having a problem with my zoas slowly closing and diminishing in number for the last few weeks, but it was a slow process until a few days ago when I decided to take a closer look at them. I found a snail I didn't recognize, some waxy stuff coming off the outsides...

Ammonia 0 Nitrite 0 Nitrate 0 PH 8.4 Salinity 1.028 Temp 77-79 night/day Arch eye hawk fish 2 antheias Yellow tang Mata tang 2 Clowns 6 green chromis 2 Ocellaris clowns Snowflake moray eel Brittle star Cleanup crew Various softies and lps Now the problem Went to bed everything perfect woke...

So i have a 10 gal that's been up and running for a couple months now and in it are a small mushroom, capnella, two feather dusters and one other that i don't know the name of(it hasn't come out since a got it almost a month ago), a blue knuckle hermit, emerald crab and a couple bumblebee...

I have a Montipora Vietnamenesis that i fragged onto some of my rocks, and the one has shown extreme growth, but today i was gone for about two hours and when i came back it was covered with white slime, and the coral was all white, i dont know if it is dead or badly damaged; but it seems to me...