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PostPosted: Nov 18th, '09, 11:01 
When first introduced to a tank, trout have been known to jump out over the first night...

And last night, after the dramas of yesterday .... http://www.backyardaquaponics.com/forum ... 04#p210404

The same thing occurred....

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Troutman (I've PM'd you).... as the resident trout expert... can you explain what triggers this behaviour???

Is it a sudden change in water parameters... like pH, clarity, temperature... perhaps simulating the "fresh" of a flood.... that triggers some sort of migratory or spawning response....

Or just the fact that they're in a new body of water.. and some curiosity to explore the boundaries of their new environment.... :dontknow:


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PostPosted: Nov 18th, '09, 12:29 
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Curiosity ?

One wondered what was out there ( Carl Sagan of the fish world ) and then the second one wondered where the first one went, and so on .......


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PostPosted: Nov 18th, '09, 12:45 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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Hmmm Calling Trouty???
I know that Gav has 250 good reason to have all his fish covered...
I recall hearing that many jumped at the same point in about 10 mins I think. :roll:


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PostPosted: Nov 18th, '09, 13:22 
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Silvers in a new tank will jump if there are bubbles near the side. Some fish think they are in a hole.


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PostPosted: Nov 18th, '09, 14:37 
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Was there a German guy nearby playing a flute????
OOOPS that Rats


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PostPosted: Nov 18th, '09, 17:16 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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Wow! I usually only get one jumping at a time - for that many to go it must be a migratory thing.


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PostPosted: Nov 18th, '09, 17:49 
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ora serious case of : I am not happy in here anymore so i am getting the *frack* out"


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PostPosted: Nov 18th, '09, 18:03 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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They just die though, not go jumpy :?:

When Trout get sad they just keel over, I only see them jumping out of tanks chasing food / bubbles.


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PostPosted: Nov 18th, '09, 19:02 
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Freshly filled tank, would it have bubbles on the sides? If a group of them headed for some moving off the side.


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PostPosted: Nov 18th, '09, 22:12 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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Dang, that sucks!!!!!


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PostPosted: Nov 18th, '09, 22:26 
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My fish often jump near the water return, possibly hoping to colonize another pool upstream. I have mine pretty well covered, but DW just found a dried trout fingerling under a cushion near may aquarium.... :oops:


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PostPosted: Nov 20th, '09, 18:57 
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hydrophilia wrote:
My fish often jump near the water return, possibly hoping to colonize another pool upstream. I have mine pretty well covered, but DW just found a dried trout fingerling under a cushion near may aquarium.... :oops:


Mine too, always at the return. The two ways that seem to stop them doing it are: putting a sock over the return. The water then just trickles down the sock and I assume to the fish it looks more like a dribble coming down a rock wall rather than a torrent they can jump up, or secondly just covering it up with shade cloth.


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PostPosted: Nov 20th, '09, 19:36 
Yeah, they did that the first night... but not since... and this lot actually jumped over the end by the drums... not by the return... AFAIK...

Regardless.... they hadn't done so for months... and I'm curious as to why THAT night... and THAT many... :dontknow:


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PostPosted: Nov 21st, '09, 20:19 
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Hi RupertofOZ,

I think it's the water temp and less air [D.O] means their looking for a better place to live.

We have nets over the aquaculture system to stop jumpers. There are 100 trout left in the tank and temps are 26 deg C, even though they have heaps of air they are keen to find cooler water if they can.

God bless froggo.


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PostPosted: Nov 21st, '09, 21:23 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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RupertofOZ wrote:
Yeah, they did that the first night... but not since... and this lot actually jumped over the end by the drums... not by the return... AFAIK...

Regardless.... they hadn't done so for months... and I'm curious as to why THAT night... and THAT many... :dontknow:


Perhaps it's like why whales beach themselves.
Most ppl would just buy nets and not think about it again. I admire your persistence for the reasons why AP is what it is.


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