Otto's Drowning? - The Planted Tank Forum
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post #1 of 23 (permalink) Old 08-21-2006, 08:01 PM Thread Starter
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Otto's Drowning?

I've had 2 ottos "drown" this past week... Well, I don't know if they drowned, but I find their bodies tangled pretty deep in the roots of my Java Fern. It looks like they get stuck, and then struggle, then get stuck deeper. Actually, they're in so deep, it looks almost like they were trying to burrow through the roots.

Has anyone else had this problem?

My remaining ottos seem to have learned from the deaths of their buddies, but I was wondering if there's anything I can do that won't result in rotting roots for my Java Fern.

Thanks!
Peter
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post #2 of 23 (permalink) Old 08-21-2006, 08:31 PM
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that sounds like nonsense, they died because of different causes. Did you know that ottos are among the fish with highest death rate when recently introduced?
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post #3 of 23 (permalink) Old 08-21-2006, 08:32 PM Thread Starter
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Quote:
Originally Posted by avillax
that sounds like nonsense, they died because of different causes. Did you know that ottos are among the fish with highest death rate when recently introduced?
They've been in the tank for a few months already. They're not new residents to this tank.
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post #4 of 23 (permalink) Old 08-21-2006, 08:35 PM
 
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So.... what could have prevented this? Red Cross certified swimming lessons?
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post #5 of 23 (permalink) Old 08-21-2006, 08:39 PM Thread Starter
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Hey, I'm just as confused as you are, that's why I'm here... if you're not going to help me figure this out, at least you could refrain from making oddball suggestions.
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post #6 of 23 (permalink) Old 08-21-2006, 08:56 PM
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Otos are typically the ones in my tanks that are lost through attrition. You'd like to think that once a certain amount of time has passed that they're healthy, but the way they're caught in the wild it could just be a slow process until the stronger ones finally succumb.

óBill

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post #7 of 23 (permalink) Old 08-21-2006, 09:43 PM
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Anyone who has experienced keeping otto's knows that these are sensitive fish and are subject to the swings in water chemistry in a planted tank. I started with 8 in my 30g about 6 months ago I believe I am down to 4 or 5 now and I am happy with that. This is a fish that I think get constantly replaced. You will learn this through experience, so dont be upset when you find an otto deceased.

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post #8 of 23 (permalink) Old 08-21-2006, 11:14 PM
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I have had something similar happen to cherry shrimps in a tank overrun by hair algae. They got stuck and died. Of course, in the end you can never be sure if they were going to die anyway or actually strangled themselves.

I wouldn't blame the fern roots though, like others suggested, they were probably on their way to fishy heaven and like fish often do, found a hidden place to die in peace.

My suggestion is... Don't buy Otos with a concave belly, they might be death candidates already since they haven't eaten for a long time, and something in their intestines that is required to metabolize their food is gone.


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post #9 of 23 (permalink) Old 08-21-2006, 11:27 PM
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I always buy fish the day before the shipment comes in. At petsmart they do weekly shipments which is thursday by me. I buy ottos from them on wednesday if my LFS is out of them. Waiting this time usually prevents me from buying the shotty ones that are just hanging on to their life after they have just been shipped.

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post #10 of 23 (permalink) Old 08-21-2006, 11:45 PM Thread Starter
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Thanks guys. I don't feel so bad now.

The water chemistry in my tank doesn't change at all. If anything, the water is too clean. It is my office tank and I am forced to use RO water in it because the local tap water is rock hard and very basic.

Thanks for all your input!
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post #11 of 23 (permalink) Old 08-22-2006, 12:48 AM
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This is kind of off-topic... but using pure RO water isn't a good idea, it is lacking buffering and stuff... better to mix it with some tap water or reconstitute some hardness back into it.


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post #12 of 23 (permalink) Old 08-22-2006, 05:20 AM
 
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My guess - they weren't feeling too well and tried to get to a "safe place". They don't live forever, especially if some minor upset happened in your tank.
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post #13 of 23 (permalink) Old 08-22-2006, 06:15 AM
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Quote:
Originally Posted by addicted2sp33d
The water chemistry in my tank doesn't change at all.
Nonsense. As soon as add have substrate, fish, plants, food, light, poop, etc. your chemistry is changing. If the chemistry never changed, there would be no need for water changes, etc.

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post #14 of 23 (permalink) Old 08-22-2006, 02:26 PM Thread Starter
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Wasserpest, I do add artificial "flavoring" back into my RO water... specifically I mix in about 1/5 tap water with 4/5 RO water. It's not exact, just based on some random line on the pitcher that I use for water changes, but it maintains a very consistent hardness and pH.

With my ferts and water changes, the water chemistry does not fluctuate enough to produce any noticeable results with my testing kits.

There are many other residents in this tank, including Neons, Tetras, and other Ottos. If you don't count the crappy guppies from PetCo, these Ottos are my first fatalities in almost a year of having residents in this tank.
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post #15 of 23 (permalink) Old 08-22-2006, 03:50 PM
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Quote:
Originally Posted by addicted2sp33d
Wasserpest, I do add artificial "flavoring" back into my RO water... specifically I mix in about 1/5 tap water with 4/5 RO water. It's not exact, just based on some random line on the pitcher that I use for water changes, but it maintains a very consistent hardness and pH.
That's perfect, just thought I mention it since some ppl think the purer the RO the better...

(And please don't take needless remarks of some other board members to heart... some just have that urge to show a big lack of maturity. Ignoring them works best.)


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