Goonch water flow discussion

[Aw3s0m3]

Thanks Wednesday! I agree that consistency is the key to keep all aquatic animals happy and healthy but I'm mainly interested in water current for this thread and whether it is necessary or not to make them feel at home since many are being found in calm waters and others are being found in rapids of the same species.

Thanks Rob! I completely forgot about natural flooding. That certainly does change the speed of the currents if these rivers are being overflowed.


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[wednesday13]

Thanks Wednesday! I agree that consistency is the key to keep all aquatic animals happy and healthy but I'm mainly interested in water current for this thread and whether it is necessary or not to make them feel at home since many are being found in calm waters and others are being found in rapids of the same species.

Thanks Rob! I completely forgot about natural flooding. That certainly does change the speed of the currents if these rivers are being overflowed.


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Sorry for the off topic rant haha...when my 4 were in the 65gal for over a year they had moderate to normal current, nothing crazy. A cheap marineland powerhead from walmart, 2 ac110's and a marineland magnum 350 can. They died in a 180 i supplied with a rio 2100 pump for circulation.

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[Chicxulub]

While I agree with the vast majority of your sentiment Wednesday, you seem to forget that Egon's fish, probably the largest grown out goonch in history, was a victim of the same mass death that essentially wiped out every well established goonch in this hobby.

Husbandry techniques are obviously vitally important to keeping these guys going, but WHAT is the missing piece causing them to die? Especially considering the fact that whatever this was wiped out essentially every established goonch in the hobby.

There has GOT to be some factor we're missing. I refuse to accept that it is simply a bunch of poor husbandry. Egon certainly knew how to take care of his fish, absolutely no one could argue that, and it died suddenly as well.

What then? I like Aw3som3's idea of the changes in current; I suspect annual flooding may be somehow vital to the physiology of these fish in the same way that annual drops in temps are essential to the physiology and successful husbandry of the highland Central and South American cichlids.

It really makes a lot of sense if one considers it objectively.

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[wednesday13]

30" cat in a standard 210 gal is destined for one thing...death lol, i would have been just as afraid to move one that size, egons also overheated..west coast guy had one yrs ago that was close to 40" alone in a 8'x4' footprint. Tank size will buffer husbandry in the end with water quality. One nitrate level too high or ammonia spike and a goonch is done. Id bet theres more to do with temps and water quality then flow rates. Maybe a chiller is the answer to help keep oxyogen levels up. Most deaths r occuring in the spring time as temps rise. If you keep a coldwater shark in warm temps it will shorten is life substantially and eventually kill it.

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[Chicxulub]

Springtime and temps. Good point!

Could it be that when the floods come they affect the way the waters of Spring are oxygenated and their temps? It seemsnlogical to me that cooler runoff would mitigate the rise in temps seen elsewhere in the world- often to include our tanks- that most tropical fish don't have a problem with handling.

Even the Borneo fish would get seasonal, cooler runoff from the mountains, but it wouldn't be as drastic as the mainland fish getting runoff from the Himalayas.

We might be on to something. A very astute observation, Wednesday.

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[Aw3s0m3]

But the thing that still doesn't make sense is how come SO MANY died in that short 2 month span? The annual fluctuations in temps and possible change in currents could very well be part of the problem but how come it doesn't affect them every year? The people that had theirs for years were obviously well established so how come they weren't affected every year by this?

Also how come it doesn't affect the other native fish people keep like mahseer's that are from the exact same environments?

I'm not sure where everyone is from but I know a lot of the ones that did die were here on the west coast where it gets really hot so the temp thing definitely could have something to do with it but if I remember right, it really wasn't that warm over in my area when all these deaths started occurring. An lfs over here still has 2 HLG's that they've had since November. They have no current, only filtrated by a single sponge filter, temp of 80F, tank is only a 50-60g max and it's shared by 3 large p-bass and a 1-1/2ft-2ft silver arowana. How come their's are still alive? That's an extremely crowded tank so the water can't be that great but the only difference is that they use ro water.

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[Estarego8]

First off I am back boys! Secondly I will read through all this information and give my two cents by tonight. I feel like for many of the goonch species monsoon season could have something to do with water agitation and oxygenation levels as well, but that's just a quick thought I had on it. As for the idea of maybe a spawning time I'd say it's possible. However it is still very unclear how these fish behave in the wild and without a proper year round study we will never know for sure. Could the deaths be attributed to a harsh winter and increased salt levels in the ground water? Perhaps. One thing I am almost certain about is having water flow doesn't negatively effect the fish of any goonch species. This season I will be doing research in a different way. I will be collecting 24 hour video of each goonch tank and sift through behavior differences through different times of the year. If we can get an exact ballpark of the dates these deaths took place that would be helpful as well. Please pm me with approximate death times. It would help my research tremendously.

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[brewerytattooer]

My observation, is that my HLG doesn't go near the current. He hides from it. Every now and then at night time he will come out, but never right into the current. I am running a marine land 1200Gph powerhead sitting right on the bottom of the tank.

Have had him for about two months now. He has grown to about 6 inches now.

 

[big cat]

I think not have to got strong current , but must have high oxygen level


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[Estarego8]

Another thing we need to be certain on is correct identification as well. So if you have any doubts please pm me or chix

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