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Breeding Clownfish - Page 2

post #21 of 262
Looks like your Clownfish will hatch tonight. Don't be afraid of adding some phyto to the rearing tank to help keep the Rotifers in there fat & nutritious.
post #22 of 262
Thread Starter 
well the eggs did not hatch last night but they did change color. not sure if this is good or bad. here is a pic from about 10 min ago. if they where laid on Sunday night that would make them about 6 days old at this point

Attachment 184995

also a pic of the newest batch of phyto started yesterday

Attachment 184996
LL
LL
post #23 of 262
Thread Starter 
hey Bang.

I think there is a problem. some of the eggs are turning pink in color. i have never seen that in any book but i think they my be dead or dying. not sure why. temp is about 79. just a hair more. maybe somthing was wrong with the way I moved them.

let me know if you know what that might mean . its not all of them but its mroe even now then it was this morning
post #24 of 262
OCEANA how much did you spend on ALL of the equipment?
post #25 of 262
Thread Starter 
around 250 so far but i also had ALOT already.
i did not have to buy tanks, tubing, airstones. bottles,heaters,lighting or valves

all i had to buy was rotifers, brine hatcherys, phyto cultures, collection screens, salt lake cyst. microscope glass viewer, density gauges. and a few otehr odds and ends
post #26 of 262
If the eggs become cloudy then the larvae have died. That would probably look pinkish.

Can you describe how you moved them, when, and what the hatching tank is.
post #27 of 262
Thread Starter 
well the clown lay the eggs on a mag float.
we waited untill we felt the eggs look ready to hatch and then i took the mag float out and put it into a bag filled with water from the tank they came from.

i drove them home and placed them into a 6 gallon eclipse system that has been guttede to remove the filter. I fitted the tank with heater and wood air stone.
i placed the eggs right next to the air stone so that they are softly brushed by a light stream of very fine bubbles.things we payed special attention to when moving the eggs
kept under water the entire time
close tank temps
never bumped or jerked around the eggs

tank info is

temp is 78-79
SG is about 20-21
0 trites, trates
0 amonia
2 gallon water change every day.
lights out at 9 on just before 10. same as my main tank

any info/tips you have would be great
post #28 of 262
How long were they in the bag?

I've had best luck placing the eggs right at the water surface in the hatching tank and then having the airstone situated so that the water flows over top of the eggs but the air bubbles don't.
post #29 of 262
Thread Starter 
they were in the bag about 35-40 min just on my way home.
the mag was placed about mid tank.
maybe i will try higher with the next batch.
how much flow do you use?? i used a regular coralife wood airblock. i put a valve on it with very little flow. should i leave it wide open
post #30 of 262
You got any pics??
post #31 of 262
Originally Posted by oceana
they were in the bag about 35-40 min just on my way home.
Try using a bucket with an airstone next time.

I give them a pretty good flow. I think it helps them escape the egg sac. Once hatched I put the flow a LOT lower. I also use something with bigger bubbles than limewood gives.
post #32 of 262
Thread Starter 
Hey there bang

Ok as you know the eggs of the first batch have died. We have decided that it’s due to the water changing to completely different water. In reading I find that even slight changes in water quality can and usually will kill the eggs. So this time here is my plan

I will take enough of the host tank water to fill my rearing tank. I will set that tank up with a ten gallon sump. The bulk head will have 50 micron filter pad over them to provide protection and also to give a VERY minimal flow. Just enough to say its there. I will then have the air stones in the rearing tank and a filter in the sump. I think this would give me great water quality and the right flow.

My only concern is the bulkheads. In MORE reading I find that the best set up is a tank with a center stand pipe with the min of 100 micron filter pad over it. But what I don’t under stand is wont the fry just get sucked up against the pad? I plan to keep the flow as light as light can be but I can’t seem to find anything about why the fry don’t get sucked up against the pad. Wish I could find a pick of a rearing tank set up this way but I can’t seem to find one.

BTW my bulk heads are on the very top of the tank. They would be taking water from the very surface at about a few gallons an hour. You can see them in the pic of the rearing tank above

Originally Posted by Bang Guy
Try using a bucket with an airstone next time.

I give them a pretty good flow. I think it helps them escape the egg sac. Once hatched I put the flow a LOT lower. I also use something with bigger bubbles than limewood gives.
i chose the limewood becasue i read that the fry can get cought in large bubbles?? do you find this to be wrong??
post #33 of 262
Originally Posted by oceana
i chose the limewood becasue i read that the fry can get cought in large bubbles?? do you find this to be wrong??
No, I don't. I just use bigger bubbles, I don't know which is better.

For waterflow I use an el-cheapo sponge filter on the bottom.
post #34 of 262
Originally Posted by Bang Guy
How long were they in the bag?

I've had best luck placing the eggs right at the water surface in the hatching tank and then having the airstone situated so that the water flows over top of the eggs but the air bubbles don't.
So is the tile placed horizintally, with the airstone beneath it so the bubbles flow around the tile and draw water over the eggs? Or some other way?

I thought I was being clever my first time hatching eggs by using an airbar at the base of the tile, tilted against a side wall, nearly vertical. I read that I should not be shy about using lots of air, and I was not. 99% of my hatchlings died immediatly after hatching.....i think they were damaged by too much flow of air. There was even a pile of dead larva on the edge of the tile, on top, driven there, no doubt by the bubbles.

I am waiting for the second spawn from my friend's clownfish, and I wonder if you could help me with this egg/air situation.

Thanks in advance,
Kathy
post #35 of 262
Thread Starter 
hey bang i'm picking up the next set of eggs today

the plan will be to take home enough of the host tank water to fill my rearing tank.
i will be using two air stone in the tank with time one on each side. the eggs will never leave water and they will be kept in the same water,same temp.

any last suggestions.
post #36 of 262
Thread Starter 
also do you run the basic air filter the whole time in the rearing tank??
post #37 of 262
I use a sponge filter and clean it once in a while by just squeezing the gunk off.

It sounds like you're on your way now.

Keep in mind also that the eggs are very sensitive to light. Don't change their lighting schedule even by a few minutes when moving tanks.
post #38 of 262
Thread Starter 
ahh ok. what about the intensity?? the tank they are going in only has stock NO bulb.

and the tank they are coming form i think has PC
post #39 of 262
That should be fine. They hatch best in complete utter total darkness.
post #40 of 262
Thread Starter 
hey Bang

well this batch seems to be doing much better, the eggs are very bright silver right now. and i'm not sure why but when looking into the tank i think I can see little fry. I can find about 4 of them and the rest are still unhatched. what I dont understand is the lights are still on.
why would they hatch ?? it almost looks like they are stuck in the egg. half in half out.

I see two little eyes. then a large orange ish bulg which i think is the yolk. then a skinny little tail that flips around alot. i'm sure they are moving but i'm not sure what they should look like. should i through in rotifers now?? or wait till morning??
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