Quote:
Originally Posted by tang daddy
My experience is crabs will eat dead fish or injured not moving fish.
The only other inverts fast enough to catch fish is mantis.
If you haven't added any new livestock recently then it's possible that they didn't die from a disease. It is really weird that the fish would just die overnight tho... And if your other fish are Mia that's even more unexplainable.
I have had fish for a year or 2 then slowly get more and mood skinny almost anorexic then eventually die. Recently I bought a few new fish and mysteriously they stopped then 2 days later dead. Only the new fish passed while the rest are completely fine.
Sorry for your losses!
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I did add 2 fish a few weeks ago, 2 wrasses - both are active have not been either bullied or bullies in the tank. I'll check out the tank thoroughly when I get home, testing etc. The fish were fine yesterday, I know for sure I saw the RG and clown on Monday as I was away last week and I always check for everyone. I'm don't recall seeing them yesterday, but I did see the hawkfish as he came over to the side of the tank when I was fiddling with my skimmer and overflow. He was perfectly fine and behaving normally. I should have taken a picture before I flushed him as I was shocked at how messed up he was - but any of the CUC could have gotten to him. He was floating by the top of the overflow when I saw him.
How would I check for a mantis? I had a Scott's wrasse that had a pretty messed up side, thought he scrapped himself on the rocks. I was going to catch him and put him in my sump, but he died before I could get at him. Would it be possible for a mantis to go so long without detection?