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Max Length Vs Growth Rate is there a connection Rate Topic: -----

Posted 01 March 2011 - 05:45 AM (#1) User is offline   RiptideRush 

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I'm wondering if anyone has ever raised and grown MULTIPLE baby serras from the same collection point/batch, the same starting size, and at the same time. I understand that baby serras, unless they are collected somewhere else, will almost certainly be a Compo, a Sancho, or a Rambo. I also understand that these three have different MAX lengths as adults. My question is, does this mean that these three serras have different growth rates? With Rhoms having the bigger max, would a baby Rhom take off and dust a baby Sanchezi and Compressus to 3-4 inches? Assuming great tank conditions, would they reach max lengths at the same or different time? Is there a FURION who has done this and witnessed these growths? I didn't find an answer on the O.P.E.F.G.H.I.J.K website.
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Posted 01 March 2011 - 09:47 AM (#2) User is offline   0S1R1S 

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Even if you did have three different babies in the same pristine water conditions and same feeding routine, their growth would not only depends on the species, but on the genes of that species. I imagine if you knew you had 3 rhom's they would still grow at different rates.
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Posted 01 March 2011 - 11:01 AM (#3) User is offline   Johnny_Zanni 

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Sanchezi, Compressus and Rhombeus all get to around 4-5" in the same time frame. The sanchezi will most likely reach 6" before the rhombeus, im not sure about compressus.


Max length on any piranha is unlimited. They are bony fish and keep growing till they die. Realisticly though its probly 10" for the rhom and comp and 6" for the sanchezi.

Posted 01 March 2011 - 11:05 AM (#4) User is offline   FEEFA 

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I dont know zanni, I would think that the rhom would hit 6in before the sanchezi???
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Posted 01 March 2011 - 11:10 AM (#5) User is offline   Johnny_Zanni 

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Yes your right. Typo on my part. The sanchezi will slow at around 4" whereas a rhom will slow at around 6". Thanks Feefa.

Posted 01 March 2011 - 11:12 AM (#6) User is offline   CLUSTER ONE 

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View PostFEEFA, on 01 March 2011 - 11:05 AM, said:

I dont know zanni, I would think that the rhom would hit 6in before the sanchezi???

I agree. A rhom can hit 6" in a year. It will take a sancehzi a couple years from the same baby size.
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Posted 01 March 2011 - 11:49 AM (#7) User is offline   jp80911 

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hasn't any member here documented the growth rate from baby? start from like 1" or smaller?

Posted 01 March 2011 - 12:51 PM (#8) User is offline   RiptideRush 

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View Post0S1R1S, on 01 March 2011 - 09:47 AM, said:

Even if you did have three different babies in the same pristine water conditions and same feeding routine, their growth would not only depends on the species, but on the genes of that species. I imagine if you knew you had 3 rhom's they would still grow at different rates.


I agree with this. There's a big difference between Jackie Chan and Yao Ming. But I'm wondering if anyone has seen the "big three" grow at the same time and can say that there's a difference.
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Posted 01 March 2011 - 01:00 PM (#9) User is offline   RiptideRush 

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View PostCLUSTER ONE, on 01 March 2011 - 11:12 AM, said:

View PostFEEFA, on 01 March 2011 - 11:05 AM, said:

I dont know zanni, I would think that the rhom would hit 6in before the sanchezi???

I agree. A rhom can hit 6" in a year. It will take a sancehzi a couple years from the same baby size.


X2 This is what I'm assuming.
I once grew 3 serras from 1" and it took a year and a half, almost 2, for the three to hit a little more than 4". They all ID as Sanchezi.
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Posted 01 March 2011 - 01:38 PM (#10) User is offline   CLUSTER ONE 

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my sanchezi isn't even 6" yet and i have had him for almost 3 years i think
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Posted 01 March 2011 - 04:40 PM (#11) User is offline   RiptideRush 

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View PostJohnny_Zanni, on 01 March 2011 - 11:01 AM, said:

Sanchezi, Compressus and Rhombeus all get to around 4-5" in the same time frame. The sanchezi will most likely reach 6" before the rhombeus, im not sure about compressus.


Max length on any piranha is unlimited. They are bony fish and keep growing till they die. Realisticly though its probly 10" for the rhom and comp and 6" for the sanchezi.


Are you certain that the three will reach 4-5" at the same time? Was your sanchezi grown from 1-1.5" to 4-5" in less than a year? My sanchezis took quite some time to reach this size in a 55 gal. I know your keeping one now, taking great care and keeping a close eye on them. Was this the case with yours?
When I have bad days I look at my fish tanks and think," God forgot to do my water change"

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