spawning danios?

moePR15

AC Members
Jan 5, 2010
38
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NY
So i have a pair of danios that have bred a few months ago, which was my first time ever breeding egg layers. The female never really got super fat like the pictures ive seen online. Shes not really young, ive probably had her for close to a year so shes fully mature. But she is starting to look a little plump again and the male is pushing up against her which looks like the normal spawning activity but is she ready if shes not really that fat yet? and idk if this would make a difference or not but they have been seperated for quite a while, i used her and a couple sword tails to help cycle my brothers tank, so if they are just being reunited would this cause the male to want to spawn with her even if she isnt fully ready yet?
 
Easy danio spawning.

Ten gallon tank with two to three layers of glass marbles on the bottom, conditioned water 2" above the marbles, glass top. No need for filtration as they won't be in there that long.

The layers of marbles keep the adults from snacking on eggs while they are spawning. The eggs fall down into the marbles out of their reach.

Set 10 gallon tank in plastic container filled with water a few inches above water line in tank. Put submersible heater in the plastic container, set to 80-82 degrees.

Put in conditioned danios - 2 males to 1 female. Do not feed, just wait.

Once they spawn, remove adults, unplug heater, move tank to wherever you want it, fill with water from parents' tank, add sponge filter, then move heater to fry tank.

Tiniest size of Golden Pearls from kensfish.com would be good starter food.

Good luck.
 
i know how to do it but the male keeps trying to spawn with her but shes not really fat yet, is that normal?
 
I think it's normal. :) I wouldn't worry too much about it unless the female appears to be stressed.
 
i know how to do it but the male keeps trying to spawn with her but shes not really fat yet, is that normal?

That is normal, and she will lay eggs. From my experience with zebra danios, the female fish doesn't have to look "plumb" to be carrying eggs. Often, they eat a lot and look fat, or they have eggs and don't look fat. Mines mate and lay eggs constantly, but no fry survives, except the ones I extract, beyond a few millimeters because the other fish eat them. Problem with zebra fry is that they always swim up at the top unlike cherry barb fry that swim on the bottom near plants, for example. I just put my fry in the shrimp tank, and they do pretty well. I don't even feed them when they're small.
 
If they won't pull the trigger, separate the sexes for 10 days to 2 weeks. Feed heavily on live and frozen foods for the whole time, and at the end, once the females look nice and ripe, throw them in the same tank together, (nolapete's recommended setup or one with spawning mops/ fine leaved plants) and do a water change with slightly cooler water. Incidentally, that method works for a good majority of the egg scattering characins and cyprinids.
 
I think the behaviour you're experiencing is normal...usually when you seperate them for a long time and re-introduce them again...
Even if the female isn't ready to spawn...the male still has his hormones to deal with

Whether she's ready or not

I think this behaviour is just typical of them being seperated for a period of time...the same way people seperate their males and females to intice them to breed when re-introduced to the tank
 
thank you. They spawned last night as soon as i turned the tank light on so i seperated them from the rest of the fish and I watched. She did lay eggs, quite a few got eaten but the rest fell down into the marbles so hopefully tommorrow or friday i will have fry.

Does anybody know how much time there is between the spawnings? like weeks?
 
I have a question on feeding the fry...I am about to breed some zebra danios again as well, the first time I only have 2 fry survive...I hear of ppl using infusoria (placing lettuce in a jar for a couple days) would it also work to feed them by sqeezing the sponge filter a couple times a day, even using the sponges or filter floss from other tanks? or is the lettuce in the jar the best way? I would like a greater survival rate this time if possible
 
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