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Posted by Robert Cadieux on April 21, 2005, 7:26 am
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I have the same problem. A tapping or knocking sound but both at night and
during the day. No signs of a shrimp, either pistol or mantis, and as it
turned out it wasn't a shrimp. It was my large bengai cardinal. He makes
this loud popping noise with his mouth to scare/intimidate the other fish.
Robert
> sounds like you might have a pistol shrimp or 2 in your aquarium.
>
> Kim
>
>
> lg wrote:
> > I hope someone may be able to help please......
> >
> > Throughout the day and mainly at night a 'tapping' noise comes from my 4
> > foot SW fish and reef tank.
> >
> > The noise sounds like 'clicks'. about 3 or four in a couple of seconds.
> >
> > It is 99% the same as tapping the glass heater against the side
> > gently.....(but it is not this)
> >
> > It is hard to pin-point the area of the tank it comes from.
> >
> > It is quite loud.
> >
> > 'click-click-click'......driving me mad.
> >
> > It is not the star fish tapping or the clown fish or live rock rubbing
or
> > coral swinging in the current.
> >
> > all help appreciated.
> >
> > lg
> >
> >
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>
> Kim
>
>
> lg wrote: