2 years ago#1
Sharonkrd1
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How do you tell if your neon glo fish are pregnant? And are they live bearers or do they lay eggs? Also when do you know when they are ready to give birth? Sorry for so many questions.

Posted on Tropical Fish
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2 years ago#2
gloman
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Glofish are egg layers, so she can't be pregnant. Males are more slender and torpedo shaped, while the females are more round, and will become slightly more round just before releasing her eggs.

Glofish are a genetically modified zebra danio. Zebra danios are supposedly very easy to breed, although I have never tried it. There's a good chance that if you have mature males and females together, they are already spawning, but they typically eat the eggs in captivity so it is unlikely that you will ever have fry unless you take steps to try and breed them.

Since they are genetically modified, there is disagreement about whether they are viable anyway. I have read some folks say they are not able to reproduce, I have read places that say they will reproduce but they only produce regular zebra danios, and I have read several people saying that glofish breed "true" meaning they reproduce whatever the dominant color is between the two parents. Again, I've never tried to breed them, so I have no idea who is right.

Do be aware, though, that since they are a genetically created organism and not a naturally occurring life-form, there is a scientific company that holds a copyright on them, and technically it is illegal to breed them.

I hope this was helpful to you.

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2 years ago#3
Sharonkrd1
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Thank you for your information. I just have them in my tank with some community fish like pot belly mollies and a few other types. A couple of them just look rounder then the others, so I thought they might be pregnant. The male keeps chasing them, but I hope it is not illegal. I can't stop them from having sex and babies. lol

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2 years ago#4
gloman
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I think they do great in a community tank. Danios are very playful and will chase and nip each other and other fish. As long as their school is big enough, though, they usually leave the other fish alone.

And, yes, they will make babies.

I think the legal concern is really about if you try to breed them to sell.

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2 years ago#5
jerry
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the problem i have with my glo fish is that all the other fish eat there eggs ...

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1 year ago#6
corbin
Guest

buy another tank and put the eggs in it

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1 year ago#7
elle
Guest

Thanks!

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1 year ago#8
Laura
Guest

we bought three glow fish about 1-2 years ago, I think it will be two years this fall, however, we just saw two babies few weeks ago....went on vacation and they grew..alot sad to say one died the other day but other baby seems to be doing well. we put all of them in a large tank, as the one we have was quite small. according to your description our yellow one must be male. however, our pink one was small and torpido shaped as well and now is quite fat. our orange one has always been the larger and more round out of the three. the new addition appears to pink??

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1 year ago#9
jone
Guest

they do reproduce in their "neon" color and lay eggs. Its illeagle to sell them but but NOT illeagle to breed.

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1 year ago#10
Christi
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According to their website, intentionally breeding is prohibited along with any barter, trade or selling. http://www.glofish.com/our-company/license-notice/

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1 year ago#11
littleme
Guest

Per my knowledgeable pet shop owner friend, it is illegal to SELL the fry, not to breed them. You would not be able to stop them from breeding, as you said.

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1 year ago#12
zhyare
Guest

Hi im eghit and i have 2 glofish one is a pink kinda orage coler and one is a yellow coler i would like to know if i have a female are a male are both. right back thak you

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1 year ago#13
Joni
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It would be impossible for us to tell without pictures. We also need to obtain permission from your parents for you to be on here. You talk it over with your family, notify our admin and send us some pictures okay?

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1 year ago#14
Kira
Guest

My glofish is doing circles on its side and upside down should I be worried

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1 year ago#15
Joni
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Yes kira that is not good. We need parental permission still. I bet your water quality is not good. I do not know your parameters but try doing some water changes using water conditioner ok!

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1 year ago#16
Sandra
Guest

Ive raised glofish around about 3 or 4 times over 2 year period to keep new one in while old one goes.. No i dont sell them, it because it illeal to sell but i think it okay to just give some away to only your family. if you have more than 10 or so.. But genally 3 or 4 times i done it only 10 or little less survive out of bunch... Matter of fact i recently so far got one baby which i catch from dropper from big tank.. but it just clear white one
2 Dominate colors will produced if you have 2 greens or 2 reds or Red and green.. Purples and blues kinda hard to get without all white..
Well anyway what i did is when i noticed male starts to chase really rounded female esp low to bottom near plants, female gential where they poop is starting to opening up but not letting out eggs, i catch her and put her in another small tank from big tank.. and catch the dominate male
After i find that she getting ready for spawning, I try to catch that female and grab one of dominate male and move to another small tank with extra plant and make sure you have Marbles but i use rocks.. i then cover up the tank ... As soon as you see sign that female thinned up some.. quickly removed female and male.. because they will eat eggs/frys.. eggs are very hard to spot until you really look up close to see.. but i had to use LED glofish light to know if there eggs in there because half of eggs will be Green color which indicate they're glofish while other half is regular white or albino color
I repeat no i dont sell them.. i keep them to replace older glofish or give some away to family or friend.. It take frys to hatch 3 days then another 3 or 4 days to free swimming.. Then it take up to 3 or 4 month before joining with adults.. I feed them liquid food for first few month.. You get flake food and sprinkles.. it dont take much to fill up babies up.. .. add drop of water and smash it up good and wiggle it in water.. make sure nothing is running at time to make it go down faster.. Frys will eat that..
But as in most cases many arent able to reproduced but other do in fact like mine do reproduced... i got 11 of them so far in tank .. and theyre fun to watch

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1 year ago#17
Jewelz
Guest

Hi there. I love how your so educated down to the "T" its very helpful. I have 1 yellow which is the male, and one like a dark pink which is the female, the female recently got really "fat" and the male constantly follows her around. How will I know when she releases her eggs? What signs do I look for? I'm probably never going to come on this site again but please do feel free to email me at <email> thank you so much.

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1 year ago#18
Joni
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I am truly sorry you have not enjoyed this site? The tetra become very irratic, irritable, fast moving and are quite full rounded with eggs. The males will continue to bother her and it is very difficult to save the eggs. You must be vigilant and watch the tank closely and act quickly as they eat them. If something was done to offend you please let us know okay? Joni

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1 year ago#19
Sunnie mcdonough
Guest

I have glowfish how can I need them

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1 year ago#20
jon
Guest

One. Of. Mine. Have. One. Eye:

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1 year ago#21
arijit123
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I think thats a re-modified glofish. Science these days.... phew!!


I think the legalities of glofish is restricted to only certain counties of the US & EU. Where I live, there are hundreds, maybe thousands of glofish that come in everyday. Just Google 'Galiff street' & check out the pics/vids or..... maybe Im colour-blind.

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1 year ago#22
sunnie
Guest

yes you can stop they from have sex get an other
tank

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1 year ago#23
sunnie
Guest

yes you can stop they from have sex get an other
tank

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1 year ago#24
colin
Guest

i think my neon is pregnant she has a fat tummy. do you when she will have her baby ones. and what shal i do when she as had them. i dont have a photo sorry

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1 year ago#25
arijit123
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its better to move mama and papa to a breeding/hospital tank. once the eggs have been deposited, you can move the parents back and feed the babies fryfood, baby brine, etc. just make sure the fish is actually preg. a pic might'v helped.

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