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Another Mysterious Disapearance

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Offline adenann

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Another mysterious Disapearance
« on: June 17, 2017, 12:55:25 PM »
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A while ago we had one of our Honey Gourami go walk-about.  No body, no remains of a body, nada.  Just disappeared into thin water.

Usually with a loss, like the duff lot of Black/Silver Mollies we had that came with White Spot as a freebie, there's a body floating around in the tank somewhere, sometimes caught up in one of the "plants".

On Thursday, we couldn't account for one of our Cherry Barbs.  He was there at morning feed and roll-call but not at evening roll-call.  Couldn't easily spot a body so left it to today's water change to take out every piece of décor and do a deep clean of the gravel.  Nothing.  Checked in the pump and thermometer housings.  Nothing.

So where did he go?  Given that during a recent test we did on holiday feeding, they only consumed about 1/4 of a feeding block in 2 weeks, I don't believe it feasible for the whole remains to have been eaten in the 12 hours between roll-calls.

As a precaution we did before and after water parameter checks for the normal weekly 20% water change.  We had NH3 0, NO2 0, pH 7.5 & Temperature 24oC.  NO3 before was 40 and after 10.  Nothing unusual there then.

Just another fish keeping mystery.  Unless you know better ......

Offline Sue

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Re: Another mysterious Disapearance
« Reply #1 on: June 17, 2017, 01:45:31 PM »
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Warning - do not read if you are squeamish.

I would say that it is more than likely that the barb was eaten. Consider the difference in texture between a fish's body and a feeding block. They would really have to work to feed from a block of the type that doesn't disintegrate all over the tank; a fish body is much easier to eat especially as it starts to decompose. The stiphodon I trapped in the filter bracket was so badly decomposed it was hardly recognisable as a fish after a week, and it wasn't eaten by other fish because they couldn't get to it. As for the skeleton, small fish have small bones which would be siphoned up without even being noticed.

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