View Full Version : Black Hole Vortex in my tank
Peter Pan
February 9th 06, 06:18 PM
I have a well established tank of 4 years. Over the time I've had my set up
I've noticed that when I introduce several fish at one time, they slowly
disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
carcass, in or out of the tank, they simply vanish. I asked a co-worker who
also has a reef set up, if he ever has fish that simply vanish, he's has the
same problem. I am convinced that my tank has a Black Hole Vortex that my
fish swim into, never to return. The vortex probably leads back to the ocean
to free them from captivity.
volux
February 9th 06, 07:11 PM
i have had that happen to peppermint shrimps- & a cleaner shrimp- suscpect -
the BANDED shrimp-
"Peter Pan" > wrote in message
. ..
> I have a well established tank of 4 years. Over the time I've had my set
up
> I've noticed that when I introduce several fish at one time, they slowly
> disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
> carcass, in or out of the tank, they simply vanish. I asked a co-worker
who
> also has a reef set up, if he ever has fish that simply vanish, he's has
the
> same problem. I am convinced that my tank has a Black Hole Vortex that my
> fish swim into, never to return. The vortex probably leads back to the
ocean
> to free them from captivity.
>
>
Pszemol
February 9th 06, 07:12 PM
"Peter Pan" > wrote in message . ..
> The vortex probably leads back to the ocean
> to free them from captivity.
....or the vortex leads them to the stomach of some
predatory animal who hides in your tank and hunts
only during night, when you are asleep... ? :-)
But more seriously - depending on how often you check
your tank and do a head count of your livestock you
might not notice when a fish die and then over the
course of 1-3 days becomes food for your scavengers...
February 9th 06, 07:16 PM
On Thu, 9 Feb 2006 13:18:52 -0500, "Peter Pan" >
wrote:
>I have a well established tank of 4 years. Over the time I've had my set up
>I've noticed that when I introduce several fish at one time, they slowly
>disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
>carcass, in or out of the tank, they simply vanish. I asked a co-worker who
>also has a reef set up, if he ever has fish that simply vanish, he's has the
>same problem. I am convinced that my tank has a Black Hole Vortex that my
>fish swim into, never to return. The vortex probably leads back to the ocean
>to free them from captivity.
>
Hello Peter,
Hermit crabs, brittlestars etc. will get rid of carcases quite
quickly, but maybe you have have something in the tank that catches
swimming / sleeping fish for its dinner.
Regards, Fishnut.
Wayne Sallee
February 9th 06, 10:01 PM
Yes, the banded coral shrimp will kill other shrimp, such
as cleaner shrimp.
Wayne Sallee
Wayne's Pets
volux wrote on 2/9/2006 2:11 PM:
> i have had that happen to peppermint shrimps- & a cleaner shrimp- suscpect -
> the BANDED shrimp-
>
> "Peter Pan" > wrote in message
> . ..
>
>>I have a well established tank of 4 years. Over the time I've had my set
>
> up
>
>>I've noticed that when I introduce several fish at one time, they slowly
>>disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
>>carcass, in or out of the tank, they simply vanish. I asked a co-worker
>
> who
>
>>also has a reef set up, if he ever has fish that simply vanish, he's has
>
> the
>
>>same problem. I am convinced that my tank has a Black Hole Vortex that my
>>fish swim into, never to return. The vortex probably leads back to the
>
> ocean
>
>>to free them from captivity.
>>
>>
>
>
>
Michael Lawford
February 10th 06, 10:58 AM
What anenomes do you have?
Also - you might have a crab - the are mostly nocturnal and it might pay you
to sit up at night ith a torch and have a look....
~m
"Peter Pan" > wrote in message
. ..
>I have a well established tank of 4 years. Over the time I've had my set up
>I've noticed that when I introduce several fish at one time, they slowly
>disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
>carcass, in or out of the tank, they simply vanish. I asked a co-worker who
>also has a reef set up, if he ever has fish that simply vanish, he's has
>the same problem. I am convinced that my tank has a Black Hole Vortex that
>my fish swim into, never to return. The vortex probably leads back to the
>ocean to free them from captivity.
>
RicSeyler
February 10th 06, 04:13 PM
A cagey Mantis could also be the culprit.
Peter Pan wrote:
>I have a well established tank of 4 years. Over the time I've had my set up
>I've noticed that when I introduce several fish at one time, they slowly
>disappear, one by one. I mean they LITERALLY DISAPPEAR. I never find a
>carcass, in or out of the tank, they simply vanish. I asked a co-worker who
>also has a reef set up, if he ever has fish that simply vanish, he's has the
>same problem. I am convinced that my tank has a Black Hole Vortex that my
>fish swim into, never to return. The vortex probably leads back to the ocean
>to free them from captivity.
>
>
>
>
--
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Croosh
February 10th 06, 06:44 PM
This is a testament to your clean-up crew.
I had 2 fish die on me during the couse of my tank and they were
reduced to N3/PO4 pretty quicly.
Now that I think about it, except one large altum angel that didn't
survive tank transportation, I haven't remove any dead fishes from
either of my FW or SW tanks... The eco system should be able to obsorbe
this kind of stuff in large tank IMHO
Regards
Yuriy
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