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One Fish Dead, Another Fish in Distress.

This is a discussion on One Fish Dead, Another Fish in Distress. within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Originally Posted by Byron From the data I see some stress from the low pH, low for livebearers. The GH is not given and ...

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One Fish Dead, Another Fish in Distress.
Old 05-16-2012, 11:20 AM   #11
 
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Quote:
Originally Posted by Byron View Post
From the data I see some stress from the low pH, low for livebearers. The GH is not given and that is equally if not more important. Molly in particular are highly susceptible to soft and acidic water, they absolutely must have harder water with mineral. Shimmying, fungus, eratic swimming are all signs of water problems, so I would correct that. At the very least it will reduce stress which weakens the immune system allowing for other health problems.
+ one, Mollies need 12 DGH or better for longterm survival ,and fair poorly in less than hard alkaline water.
PH of 7.8 to 8.6 with 12+ DGH would benefit the fish.
Some foks that keep mollie ONLY tank's use a bit of marine salt at perhaps half dose suggested for marine tank's.
Marine salt conatins Calcium,Magnesium, which increases the hardness as well as providing a bit of salt that these particular fishes seem to do better in.
Aquarium salt does nothing to raise hardness but may benefit a Molly only tank.
These fish are in my expierience intolerant of Nitrates in excess of 20 ppm over the long haul.
Someone once asked here..."what is the most unusual fish you have seen?"
I replied .."Adult Sailfin Mollie" which can get quite large but you seldom see them this large for they increasingly die prematurely.
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Old 05-16-2012, 12:56 PM   #12
 
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My perception of shimmying is when the fish sort of stands suspended (no swimming forward) in the water and undulates its body. I did a Google to see if I could find a better definition and came across this one first off from MiMi that is bang on:
A stress-related symptom in which a fish remains in one position while wagging it's body from side to side. Common among Livebearers, especially Mollies, when water conditions are not within the parameters for the fish's needs.
Rubbing or "flashing" against objects is something different, sometimes related to water conditions, but also parasites and protozoans.

Quivering or shaking by fish when displaying, interacting, threatening, pre-spawning, etc is different again.
I am having my own personal Platy disaster at the moment, but I am going to start another thread for my livebearer tale of woe.... rather than hijack this thread, as I have different issues going on. I am just uploading a couple of videos of my platys behaviour to youtube so will be attaching those in my thread.

any of you experienced livebearer folks out there, I would appreciate some feedback..

thread will be up as soon as the videos are done..
cheers
Simon
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Old 05-16-2012, 02:59 PM   #13
 
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+1 to 1077
I did some research as to what AQ salt is.. It's just pure sodium chloride. It doesn't affect hardness or pH, but it still gives the bonus of killing off many bacterial problems. Marine salt goes all out hardening water and raising pH due to more mineral content, but keeping AQ salt in is better than nothing since you still get some protection. At I think 20% seawater your freshwater bacteria don't die off.
However, don't you have cories in there? Wouldn't be good for them.

Also, yes, sailfin mollies. The wild caught ones are pure terror, they'd make an interesting biotope though!
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Old 05-16-2012, 03:12 PM   #14
 
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Be mindful that adding aquarium salt to a tank with mollies is not going to help at all if the water is soft and acidic. It is the mineral in the harder water that is essential to the fish's physiology, as it is to all livebearers, and aquarium salt that is not marine salt is only adding pure "salt" which carries other hazards. And certainly this should never be used with soft water fish.

This should explain this fully:
http://www.tropicalfishkeeping.com/f...quarium-97842/

Last edited by Inga; 05-16-2012 at 04:30 PM..
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Old 05-16-2012, 03:50 PM   #15
 
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would any of you lovely knowledgeable platy people be able to take a quick look at my post in this same section called another platy thread, different problem though..

Its been up a while and only had 3 hits, theres a couple small videos attached showing behaviours, and the flashing move which happens occasionally.

Much appreciated people x
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Old 05-16-2012, 04:30 PM   #16
 
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Originally Posted by Byron View Post
Be mindful that adding aquarium salt to a tank with mollies is not going to help at all if the water is soft and acidic. It is the mineral in the harder water that is essential to the fish's physiology, as it is to all livebearers, and aquarium salt that is not marine salt is only adding pure "salt" which carries other hazards. And certainly this should never be used with soft water fish.

This should explain this fully:
http://www.tropicalfishkeeping.com/f...quarium-97842/

.
Especially not with Cory
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