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How long untill guppies are full grown?
By Leo Ciccone, Section Ask Guppylog Posted on Fri Feb 13, 2004 at 06:33:07 AM PST

Does anyone know how many weeks/months it takes for the fry to get as big as adults?

I talked to two of my Local Pet Stores and they both said that they will exchange guppies for store credit. They have to be the size of normal guppies, which are the ones you always find in store that are adults right?

So can someone please tell me at how many weeks/months that fry become as big and as colorful as the normal ones? Thanks so much! Oh and if anyone knows the ratio of male/female fry please answer! Thanks!

< Something Pink is hanging | Fry question >

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How long untill guppies are full grown? | 7 comments (6 topical, 0 hidden)

Re: How long untill guppies are full grown? (none / 0) (#1)
by Angelee on Thu Feb 12, 2004 at 09:19:49 AM PST

The size you find in stores? Not necessarily, that varies. They want them after they develop their color, maybe two or three months. The males will more than likely be more colorful sooner. They eventually become as big or bigger than the LFS (most of mine are considerably bigger). As far as the male to female ratio of fry, that depends on the fish. Do a search on XX males and water quality, as well.
"The Rocky Mountain Gupster" ANGELEE

One of the reasons we haven't rushed to (none / 0) (#3)
by unclescott on Mon Feb 16, 2004 at 07:23:44 AM PST

answer this quicker Leo is that IF your tank temperature is warm (78-80 F) and if you are doing partial water changes every two days and if you are feeding your guppies a variety of foods several times a day, then you could be "showing" 4-5-6 month old guppies. If you are like the rest of us, they will mature more slowly.

We don't know exactly what your tank(s) or guppy care is like.

The "cooked" hot house show guppies may be through in 12 months however. Guppies raised cooler and more slowly should live several months longer (unless new non-quarantined fish are put in their tank.) ;)

That fast forward in raising show guppies also means that if you buy some of those breath takingly beautiful big fish, makes plans to keep fry immedately after purchasing them. You may want to save fry from both of their drops.

[ Parent ]

Re: One of the reasons we haven't rushed to (none / 0) (#4)
by guppygirl on Tue Feb 17, 2004 at 05:09:18 AM PST

I agree with unclescott, it's kind of hard to give an exact time in a virtual reality help site.

There are so many factors that can affect growth.

If you don't want to "cook" the little guys, but want them to color up and grow, feed them some spirulina, and baby brine shrimp.

Keep up the water changes, and give them enough room to grow, about a gallon of water each.

Try to separate out the males as soon as you can determine their sex, and keep them away from other fry.

Hope this helps.

gg
:o)

[ Parent ]

Separating the genders as soon as one (none / 0) (#5)
by unclescott on Tue Feb 17, 2004 at 05:52:37 AM PST

can, enables the breeder to select the larger. more colorful and robust breeders for the next generation. Guppygirl's suggestion also enables guppies to put food to use in growth rather than reproduction (pursuing females, producing eggs) and presumably growing a little faster than otherwise.

Being able to pick up on another's suggestions and thoughts is one of the advantages of the "tag-team" format of forums like this. :)

[ Parent ]

Re: Separating the genders as soon as one (none / 0) (#6)
by guppygirl on Fri Feb 20, 2004 at 04:20:28 AM PST

I've also read/heard that growth in juvenile males can be slowed by pheremones that are emitted from younger fry and females.

Although I believe this is an opinion of other breeders, and am not sure if it is a proven fact, it is something that I took into consideration.

TAG!!!!!!

YOU'RE IT!!! ;o)

gg
:o)

[ Parent ]

Re: *-(:o) trying to help (none / 0) (#7)
by netnerd on Sun Sep 19, 2004 at 08:24:27 PM PST

i had 2 schools of guppy fry-last school was eaten by my goldfish aka-thumper. the longest living 1 i have is chewi and stikki. i accidently stumped chewis growth by leaving him in the breeding tank. Stikki is growing and is 3mnths old and full of color but is half the size of her adopted mommy-her real 1 died. so i would have to say around 4-6mnths. they start to get there colours around 4-6weeks most people have said but it differs in the fish and mummy/daddy. that is my best bet but i would say i can sell mine in about a month.

Net Nerd
rprldae
[ Parent ]

How long untill guppies are full grown? | 7 comments (6 topical, 0 hidden)

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