HELP - Lots of attempts, almost no success.

HELP - Lots of attempts, almost no success.

Postby swamp.tide » Sat Sep 03, 2011 8:54 pm

Dear MOFIB members,

I have for five times tried to raise orchid dottybacks and the best result I got was 2 juveniles.

I'll tell you all I have done in this last attempt:

-Removed eggs on 5th night and tumbled it - about 95% hatch success.
-Immediately fed rotifers on a concentration of 30 per mL until day 8.
-On day 8 added artemia nauplii and a small amount of small copepods.
-From day 10 onwards artemia nauplii enriched with algamac.
-Every week the bottom of the tank was cleaned by siphoning.

All was cultivated in a black round tub of 45L (approx. 10 gallons) with a heater maintaining temperature at 27C (81F) and an air bubble curtain just below the heater. The black round tub recirculated with a sump, so that a full water exchange was done everyday by constant dripping. And following the advice of Ike Olivotto, the lights above the tub never went out, 24h photoperiod.

Additionally, everyday greenwater was added (750mL of nannochloropsis and 750mL of iscohrysis).

The only thing that I noticed that wasn't good was the fact that I had a good amount of brine shrimp cysts on the water and for about a week the rotifer population exploded and went as high as 60 per mL.

Where am I going wrong? Please help.

Cheers,
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Re: HELP - Lots of attempts, almost no success.

Postby Suzy » Sun Sep 04, 2011 10:53 pm

Wow. That is really discouraging. It sounds like you are doing everything right and still lose them? They are eating the first food obviously to get to that many days, your filtration must be good or they wouldn't get that far....

If it were the brine shrimp cysts, causing a bowel blockage, they would expire a day or two after eating them. Maybe that s it?
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Re: HELP - Lots of attempts, almost no success.

Postby FishNFrags » Sun Oct 02, 2011 1:59 am

Suzy » Sun Sep 04, 2011 7:53 pm

Wow. That is really discouraging. It sounds like you are doing everything right and still lose them? They are eating the first food obviously to get to that many days, your filtration must be good or they wouldn't get that far....

If it were the brine shrimp cysts, causing a bowel blockage, they would expire a day or two after eating them. Maybe that s it?

Suzy, do you know if this bowel blockage is also possible with 25 day old clown fish? or does anyone know? I have lost a few babys (6-12) a week or so before I'm ready to move them to grow out. I can never figure out why. All of the rest of fish are always fine. Water always checks out great. I'm just wondering because every now and then I might see a few cysts in tank.
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Re: HELP - Lots of attempts, almost no success.

Postby EasterEggs » Sun Oct 02, 2011 10:46 am

What are you using for ammonia control and waterchanges?
Given sufficient thrust, pigs will fly just fine.
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Re: HELP - Lots of attempts, almost no success.

Postby Suzy » Sun Oct 02, 2011 2:34 pm

I can't say for sure, but the cysts would not be digestable, I would think.

Has anyone ever tried to do a necropsy on a tiny, tiny fish like this? It would not be possible for us hobbyists, I dont think. We would need a microscope and little, teeny tiny scapels....
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Re: HELP - Lots of attempts, almost no success.

Postby FishNFrags » Sun Oct 02, 2011 3:03 pm

EasterEggs wrote:What are you using for ammonia control and waterchanges?


I use the ammonia alert buttons. Their always in Safe color range (yellow). Water changes I don't have to do because I have built a different type filtration system for my larvae system. It kind of works as sort of like a drip type but it's not...lol I'm currently gathering more information before I post about what I have done and I am having great success with. Just to make you say wow I will let you know this current batch of fry I have, I have not done any water changes at all since day 1. In this batch I had about 180 fry make through meph and at day 26 I have about 170 left in tank.
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Re: HELP - Lots of attempts, almost no success.

Postby EasterEggs » Sun Oct 02, 2011 8:31 pm

How could you not do any waterchanges? Have you tested nitrate?
Given sufficient thrust, pigs will fly just fine.
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Re: HELP - Lots of attempts, almost no success.

Postby Suzy » Sun Oct 02, 2011 8:34 pm

FishNFrags wrote: Just to make you say wow


Wow!

Without pictures, it never happened! I would love to see how you did this!
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Re: HELP - Lots of attempts, almost no success.

Postby FishNFrags » Sun Oct 02, 2011 9:07 pm

EasterEggs wrote:How could you not do any waterchanges? Have you tested nitrate?


yes nitrates are always below 0.2 In fact here are todays testing results.
ph= 8.4
amon= 0.2
nitrite = 0.2
Nitrate = 0.2
S gravity = 1.021
Temp = 81

Haven't tested Alk don't see a reason to with Ph at 8.4

Like I said I plan on doing some more testing and gathering information before I post about what I'm doing. I do not want to so call blow my trumpet and find out that problems occur later. Lots of people read these forums for guidance they can trust and I really don't want to be the one that post something to mis-lead their sucess. I promise let me get another 4 or 5 batches through the system safely and sucessfully and I will make a video of it and post it to explain what I am doing and how it's been working. :D I know Suzy will hold me to That!...lol
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Re: HELP - Lots of attempts, almost no success.

Postby Suzy » Sun Oct 02, 2011 11:53 pm

You could do a progress thread and we could all watch!
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Re: HELP - Lots of attempts, almost no success.

Postby EasterEggs » Mon Oct 03, 2011 11:13 am

Correct me if I'm wrong, but isn't 0.2 ppm ammonia significant?

I agree with Suzy, how about a progress report? :D

I don't get it though, you say "almost no success", but then in one of your last posts you say you have 170 fry at 26 days. That sounds pretty successful to me, and definitely more successful than I have been! :o
Given sufficient thrust, pigs will fly just fine.
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Re: HELP - Lots of attempts, almost no success.

Postby FishNFrags » Mon Oct 03, 2011 3:10 pm

EasterEggs wrote:Correct me if I'm wrong, but isn't 0.2 ppm ammonia significant?

I agree with Suzy, how about a progress report? :D

I don't get it though, you say "almost no success", but then in one of your last posts you say you have 170 fry at 26 days. That sounds pretty successful to me, and definitely more successful than I have been! :o


Yes EasterEggs 0.2 would be significant. Typo error sry should have been 0.02
As far as the almost No success that came from the person who started this thread. That was his subject line not mine.

And Just to update I did lose about 15 babys last evening I found a problem and took care of it. The loss has stop so I'm down to about 150- 155 left.

But wer'e taking over this guys thread so maybe I should just start a new one, in about a week with video and do progress reports.
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Re: HELP - Lots of attempts, almost no success.

Postby Suzy » Tue Oct 04, 2011 9:59 am

Sweet!

Swamp Tide, are you still here? I hope you are not too frustrated. I have not succeeded so many times, but if you keep trying, it will happen.
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Re: HELP - Lots of attempts, almost no success.

Postby EasterEggs » Tue Oct 04, 2011 11:45 am

Oh, oops. I thought FishnFrags was OP.

Swamp Tide, how's it going with your larvae? I'm in the same boat as you...hopefully we can both figure this out.
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Re: HELP - Lots of attempts, almost no success.

Postby malau » Thu Jun 28, 2012 6:08 am

Hmm hope it is not late.. the break out of rotifer is due to you feed the green water to the tank and the rotifer is there at the same time...
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Re: HELP - Lots of attempts, almost no success.

Postby C-Aquafarm » Sun Oct 21, 2012 12:26 pm

SO, how do you control rotifer breakout in your tank?
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Re: HELP - Lots of attempts, almost no success.

Postby aquagrrl » Sun Oct 21, 2012 4:47 pm

Flow through or water changes.
- Tami
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