| | Baby Bristlenose growth rates. |  |
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death_adder
Small Fry
Number of posts: 22
Location: melbourne
Thank You Points: 0
Registration date: 2011-02-09
| | Subject: Baby Bristlenose growth rates. Tue Oct 11, 2011 9:37 pm | |
| just thought i would post a picture of some of my baby bristlenose, these fish are all from the same spawn i have about 4-5 of the larger the size and the other 30 or so are very small in comparison, is it normal to have such wildly different growth rates? is it im not feeding enough? i put fresh cucumber ect in every nite, im my grow out tank i have ones that are the same size as my smallest fry in here but are at least 3 months older, have a bred a new species of dwarf bristlenose?  could it be a genetic problem eg related parents or something? [img]  [/img] |
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Bristlenoses
Large Bristlenose
 Number of posts: 488
Age: 46
Location: Mansfield,Nottinghamshire,East Midlands U.K
Job/hobbies: Bristlenoses,photography,animals,nature,drawing and painting,films,books,internet.
Thank You Points: 20
Registration date: 2011-08-26
| | Subject: Re: Baby Bristlenose growth rates. Tue Oct 11, 2011 10:38 pm | |
| Hi,are you feeding anything other than cucumber? |
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death_adder
Small Fry
Number of posts: 22
Location: melbourne
Thank You Points: 0
Registration date: 2011-02-09
| | Subject: Re: Baby Bristlenose growth rates. Tue Oct 11, 2011 11:22 pm | |
| feeding algae tabs 2 tims a week and zuchini and blood worm twice a week
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mmccannon
Large Bristlenose
Number of posts: 345
Age: 42
Location: Hungary
Thank You Points: 16
Registration date: 2011-05-16
| | Subject: growth rate Wed Oct 12, 2011 9:57 am | |
| Hi,
Well, first of all, I would avoid bloodworms. Too much protein and fat at this stage of their lives is not very healthy.
As for their growth, I also experienced some difference within the same batch.
For instance I have 2 months old L144s and there are big as 2.3 cm. Yet, there are some barely reaching the 2 cm mark. They are closer to 1.5 cm.
I have been told, that it is normal, so no reason to panic. Feed them well, and smaller ones will catch-up with the rest of the batch.
Best regards,
Mary |
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Bristlenoses
Large Bristlenose
Number of posts: 488
Age: 46
Location: Mansfield,Nottinghamshire,East Midlands U.K
Job/hobbies: Bristlenoses,photography,animals,nature,drawing and painting,films,books,internet.
Thank You Points: 20
Registration date: 2011-08-26
| | Subject: Re: Baby Bristlenose growth rates. Wed Oct 12, 2011 11:16 am | |
| I agree with Mary about the blood worm,I would cut it out altogether it could cause more problems than it is worth. |
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kfenk
Moderator
 Number of posts: 1243
Age: 27
Location: Adelaide, South Australia
Thank You Points: 65
Registration date: 2009-11-09
| | Subject: Re: Baby Bristlenose growth rates. Wed Oct 12, 2011 12:22 pm | |
| Survival of the fittest really. In the wild the smaller weaker ones would die off or get eaten |
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butterfly
Juvinile Bristlenose
Number of posts: 146
Age: 64
Location: Arkansas USA
Thank You Points: 6
Registration date: 2011-08-13
| | Subject: Re: Baby Bristlenose growth rates. Wed Oct 12, 2011 4:38 pm | |
| If you move the largest to another tank the smaller ones will catch up faster.
I'm not sure if it's because they have better water conditions because of fewer fish in the tank or as has been discussed in the past there are less growth inhibitor hormones. I know some fish do secrete these allowing some of the fish to get really big and others stay very small.
Carol |
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jim.and
Moderator
Number of posts: 1423
Age: 55
Location: England
Job/hobbies: Warehouse Op
Thank You Points: 105
Registration date: 2010-08-04
| | Subject: Re: Baby Bristlenose growth rates. Wed Oct 12, 2011 5:35 pm | |
| 2nd the post made by butterfly.
Many fish release a growth inhibiting hormone and it is why growth rates can vary within the same batch of fry. It is one of the reasons why regular water changes are so important when growing fry on.
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Doug
Moderator
Number of posts: 2281
Age: 26
Location: Adelaide, South Australia
Job/hobbies: Aquatic ecologist/genetisist
Humor: yes please :)
Thank You Points: 132
Registration date: 2010-05-08
| | Subject: Re: Baby Bristlenose growth rates. Thu Oct 13, 2011 2:28 am | |
| | jim.and wrote: | 2nd the post made by butterfly.
Many fish release a growth inhibiting hormone and it is why growth rates can vary within the same batch of fry. It is one of the reasons why regular water changes are so important when growing fry on.
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mmccannon
Large Bristlenose
Number of posts: 345
Age: 42
Location: Hungary
Thank You Points: 16
Registration date: 2011-05-16
| | Subject: growth Thu Oct 13, 2011 7:03 am | |
| OK, to be honest, I do not make a big deal of growth difference any longer. :roll:  I let the strong and healthy grow up. Those, which are too small, weak will die and be eaten by their sisters/brothers. On the long run this is the way to ensure a healthy strain. :!: Nature has its own way, and I do not like to interfere, just give assistance.  |
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| | Baby Bristlenose growth rates. | |
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