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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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 :wave:
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 ......
 :cheers:

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.

Offline adenann

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Re: Another mysterious Disapearance - Resolved
« Reply #2 on: June 29, 2017, 07:32:36 PM »
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 :wave:
The wanderer returned!
Yesterday Mrs Adenann was doing a deep carpet clean as the dog's been moulting like crazy.
Deep down in a tiny gap between the carpet, the fireplace and the cupboard where the tank sits she found our missing Cherry Barb.
Sadly, after 2 weeks he was a bit crispy and didn't respond to CPR.
Hard to see how he got through the tiny gap between the lid and the tank sides. But it's good in that we now know it wasn't disease or cannibalism, just plain suicide/stupidity.
 :cheers:

Offline Sue

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Re: Another mysterious Disapearance
« Reply #3 on: June 29, 2017, 07:37:51 PM »
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Glad to hear you have solved the mystery, even if it was something you didn't want to happen.

It is not unknown for fish to end up inside the dog or cat, so the owner never finds out what happened.

Offline adenann

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Re: Another mysterious Disapearance
« Reply #4 on: June 29, 2017, 08:12:29 PM »
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 :wave:
Yes, I'm prepared to assume the Gourami we "lost" in February went the same way but, being too big to get down the side of the carpet, ended up in the dog who is better than a hoover where food's concerned.
 :cheers:

Offline hampalong

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Re: Another mysterious Disapearance
« Reply #5 on: June 30, 2017, 04:18:54 AM »
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A fish on the floor doesn't necessarily mean suicide. They can be chased or stalked and jump out to escape. What are their tankmates, just to rule that out? Anything nocturnal?

Offline adenann

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Re: Another mysterious Disapearance
« Reply #6 on: June 30, 2017, 07:06:40 AM »
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 :wave:
Thanks for your interest, but what you've suggested doesn't seem to fit in with what happened.

All tank mates were selected via the Community Creator tool on here.

We have Cherry Barbs (now 4), Yellow Honey Gourami (3), Male Guppy (6) & False Julii Corydoras (4) in an 80L tank.

Can't be anything nocturnal as he went missing between morning feed/roll-call and evening roll-call.

Thanks anyway
 :cheers:

Offline Sue

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Re: Another mysterious Disapearance
« Reply #7 on: June 30, 2017, 08:53:54 AM »
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Unless the barb was spooked by a male guppy suddenly 'taking an interest' in it  :o Male guppies will try to mate with any fish.

Online fcmf

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Re: Another mysterious Disapearance
« Reply #8 on: June 30, 2017, 07:50:20 PM »
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All tank mates were selected via the Community Creator tool on here.
Just a little note to mention that, great as the Community Creator tool is, it is guidance rather than a guarantee that different combinations of fish will actually work in practice - there is always scope for a rogue. For example, I have a harlequin rasbora (allegedly a peaceful species which gets on well with most fish) who takes complete possession of a large portion of the tank during the afternoon - woe betide any of his own species or any of the x-ray tetras who dare enter his territory during those hours!  ;D

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