How big was he? And you're talking about Danios right?
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Man... Oh these are what I mean by the things with holes in them LOL!
I used to have one in my 30 gallon, but it didn't really do anything and I took it out.
That's also how my Gourami got stuck under the gravel. There are pipe that you can put on the pipe things and somehow a thin flat fish managed to get itself stick through that thing...
My grandpa told me it was for storing oxygen once you fill the tank but I didn't see none down there. I don't actually know it's purpose. Maybe it's for separating soil from gravel... Who knows. ??
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My guess is it died of natural causes, and was afterwards eaten by the others.
does this tank have a canopy (lid)?
also, you have some stocking issues if you'd like to discuss...
Man, I hope that's what happened too. It would suck to die by drying out on a carpet... I like Danios and their patterns.
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I hope you're right, of course at this point its does not matter. He was the last survivor of several ZDs we had. We also have a 16 year old dog. Pets just don't live long enough.If he died of natural causes, that is definitely enough time for the other fish to have eaten his body. Fish will chow down on a dead with surprising speed. There is certainly a possibilty he jumped or got up into the hood or something. But, I have honestly lost a good amount of fish over the years where I never found a body. If the body gets eaten even partially you will not likely find remains of a fish that small.