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Sturisoma aureum raising
March 2, 2012
5:42 pm
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mikev
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Does anyone here per chance has a good strategy of raising them?

This is my weak spot: despite trying different techniques, no fry survives. And I have some now... /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" />

March 4, 2012
11:46 am
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Matt
Málaga, Spain
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What problems are you experiencing Mike? Any particular symptoms?

Cake or death?
March 4, 2012
5:30 pm
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mikev
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Simply that no fry survives. It may take quite a while, and they will grow meanwhile (I got some to 1.5-2" once), but nobody makes it to the adult.

March 5, 2012
8:25 am
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Matt
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What are you feeding them?

Never bred these at home but it's one we did at the shop and raised quite a few. Used to give them veggies to graze on and never really had too many problems...

Cake or death?
March 5, 2012
8:13 pm
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mikev
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Do you happen to remember the specifics? (Tank size/setup, which kind of vegetables, what else? How did you make sure that the tank was ultra-clean...or did you bother with this at all?)

I've tried various food... veggies did not seem to do much good, an older tank covered by algae worked best, but then they were catching likely bacteria diseases ... seem to be totally intolerant even to small amounts of dirt in the tank.

The current approach is prepared food only (high quality algae wafers, plus new "superfood") with daily moves to a clean container (trying to combat biofilm buildup). No losses in this group after a week, but the previous try like this resulted in a dieout after about two weeks, so some ideas at this time would be highly appreciated.

March 6, 2012
8:44 am
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Matt
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Yeah, the tank was only a couple of feet long, removed adults post-spawning and reduced water level to about 15 cm. Additional aeration via a couple of stones. Initial food was powdered dry stuff, followed by veggies later on (cucumber, courgette, potato). Maybe try to give them more protein in the initial period Mike - pretty sure they need more than just veg to begin with (?), and make sure the water isn't too deep.

Cake or death?
March 6, 2012
10:59 am
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Colin
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The key here is that the bottom of the tank must be spotlessly clean; the killer is the poisonous film that can grow on the bottom of the tank, where the fry sit

do a water change each day and sponge the bottom of the tank (assuming bare bottom) and syphon it out.

I'd be looking to do about 90% changes after scrubbing the bottom

cheers

March 7, 2012
6:54 am
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mikev
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Thanks, you two -- very helpful.

The algae wafers they are getting now are 40% protein (pretty good stuff: got some of the shier hillstreams come out and fight for them). With Matt's comment about powdered food I added Sera Micron to the mix...cannot hurt.

OK... here is the plan: follow what Colin says with one modification: I have a month old 10g tank that developed massive brown algae... I'll clean up the bottom and let the babies have it. Fingers crossed, I'm not a pleco guy... (Please stop me if you know this is wrong... I can use a brand new tank too...)

March 9, 2012
2:28 pm
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Matt
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QUOTE (Colin @ Mar 6 2012, 11:42 AM) < {POST_SNAPBACK}>
The key here is that the bottom of the tank must be spotlessly clean; the killer is the poisonous film that can grow on the bottom of the tank, where the fry sit

Would a thin layer of sand or something help prevent this film developing?

Cake or death?
March 9, 2012
7:52 pm
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Colin
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Never tried, but I would think not and might be worse if uneaten food gets into the sand and rots unseen?

worth setting up two tanks side by side though, one with sand and one without!

March 9, 2012
11:05 pm
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Matt
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Actually, worded that badly. Meant would it perhaps keep the fish off the layer?

Cake or death?
March 10, 2012
3:46 am
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mikev
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This is what I tried a while back, with ramshorn snails to address the excess food. Started well, some fish got to 1-1.5" in size, but ultimately I could not keep any alive.

March 14, 2012
6:25 am
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mikev
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One thing about this algae is that it really speeds up the growth.... some are at 2cm already:

[Image Can Not Be Found]

March 30, 2012
5:42 am
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mikev
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Well.....

Firstly, the technique you suggested seems to be working, I don't see any bodies and some growth. I made one mistake, however: massive water changes remove Si, so the diatom algae is now gone /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" /> If I do something like this again, I'll look into somehow adding Si to the water, this is really the best food.

Now, more interestingly... I threw five one week old babies into a rivertank with loaches (pseudogastros/vanmanenia) about a month ago. At the time this seemed like a good idea.... loaches don't bother their own fry, and the tank had loads of algae, plus strong current. The fry disappeared, and I thought this failed, but today noticed a 2" thing cleaning the front glass.... there are two at least... hard to see, it seems they hide in the cracks in driftwood...

This sure beats daily tanks cleanings and water changes.... dump the fry into rivertank and forget about them. /biggrin.gif" style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" />

(Fixed ambiguity)

March 30, 2012
7:34 am
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Colin
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LOL yeah I think that would be my plan from now on - actually a few breeders will tell you that as soon as they can they put the young fish back into a mature tank with the adults. Seems to work well with Corys etc

well done /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

March 30, 2012
3:41 pm
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mikev
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Thanks Colin,

Actually, in this case it was "put them into an adult tank right away", the fry was about 1cm in length. I could not put them with the parents, their tank, while identical in design, has nothing to eat, the parents keep it spotless....

April 3, 2012
10:45 pm
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mikev
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[Image Can Not Be Found]

(with a juvenile loach, about a year old now.)

May 15, 2012
10:11 pm
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mikev
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