I Got A RTCxTSN Catfish!

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My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years?

I've not seen this. If somebody has, please post. Until this occurs, nobody can give the max size because nobodies given it a competitive chance. As far as growth rate goes, a customer of mine who built a 12x6x6 with only a rtc, hybrid and tsn, all bought together has said that the hybrid had the fastest rate.

You wanna call 7ft an exaggeration, fair enough. Im at work atm so can't surf the internet but ill find the sources I used then we can discuss the reliability of these sources. My point still remains that this species will, in my opinion, rival rtc size without the weight. This should at least entitle it to the same recommended size tank. Agree or disagree that's your perogative but until someone gives me a full on documentation of this species in am appropriate size, I can't just accept that this species will stay under 5' simply because that's what speculated. Based on my experience with hybrids, one version of the hybrid will be large and strong usually exceeding the parents in size and the other version is weak and frail.
Anyway I appreciate your statements and opinions and i look forward to seeing someone prove me wrong :)
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xApostle said:
My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years?

I've not seen this. If somebody has, please post. Until this occurs, nobody can give the max size because nobodies given it a competitive chance. As far as growth rate goes, a customer of mine who built a 12x6x6 with only a rtc, hybrid and tsn, all bought together has said that the hybrid had the fastest rate.

You wanna call 7ft an exaggeration, fair enough. Im at work atm so can't surf the internet but ill find the sources I used then we can discuss the reliability of these sources. My point still remains that this species will, in my opinion, rival rtc size without the weight. This should at least entitle it to the same recommended size tank. Agree or disagree that's your perogative but until someone gives me a full on documentation of this species in am appropriate size, I can't just accept that this species will stay under 5' simply because that's what speculated. Based on my experience with hybrids, one version of the hybrid will be large and strong usually exceeding the parents in size and the other version is weak and frail.
Anyway I appreciate your statements and opinions and i look forward to seeing someone prove me wrong :)
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Click to expand...

It will 100% be AT LEAST 2-3 feet and eat EVERYTHING (like a rtc) correct? Cause that is why i got it...


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Thanks, friend. Please, keep in mind I am trying to have a friendly and constructive conversation here with the aim of my own learning, not a confrontation, although I am limited, handicapped really, in my abilities and time :)

xA: My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post.
TBTB: Agreed. I know many people have kept them even in much larger enclosures and for much longer but IDK most of the results. Of those I do know, none exceeded 4'. Anyone with experience requested, please chime in!

xA: Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
TBTB: see above. This is true but a little bit on the maximalistic side. All science does is building ever-evolving and ever-improved MODELS based on the AVAILABLE data at hand. I think that's what we are trying to follow here. Occam's razor.

xA: As far as growth rate goes, a customer of mine who built a 12x6x6 with only a rtc, hybrid and tsn, all bought together has said that the hybrid had the fastest rate.
TBTB: No surprise. But one datum is not statistics. My personal statistics says that length-wise, RTC and the hybrid grow at roughly the same rate, surely with deviations to the left and to the right. It's a bell curve. What really matters is not what we observe in our aquaria with the (usually poor quality) fish purchased in the trade, I'd think, but what the SA researchers/farmers observed with millions of these fish. Only Necro can tell us...

xA: You wanna call 7ft an exaggeration, fair enough. Im at work atm so can't surf the internet but ill find the sources I used then we can discuss the reliability of these sources.
TBTB: Looking forward to it, sincerely and constructively. I quoted 250 cm, ~7'+ for the corruscans. I doubt it and IIRC, this record is from very, very long ago, when fishes had a chance to live 50+ years and the data recording was even more prone to falsification and errors.

xA: My point still remains that this species will, in my opinion, rival rtc size without the weight. This should at least entitle it to the same recommended size tank.
TBTB: Sure. When speaking about these matters, the 5' vs. 7' difference is largely washed out :) You need a swimming pool of at least 25'x25'x8'. Period. IMHO.

xA: Agree or disagree that's your perogative but until someone gives me a full on documentation of this species in am appropriate size,
TBTB: On a silver platter? the result of heaps of research? :) I am afraid no one will.

xA: I can't just accept that this species will stay under 5' simply because that's what speculated.
TBTB: under 5' is precisely not speculated but observed, granted with the limited scope and our small abilities. 7' is a wild speculation, which, however, may or may not be possible. So is life on Mars :)

xA: Anyway I appreciate your statements and opinions
TBTB: Same here, mate.

xA: ...and i look forward to seeing someone prove me wrong :)
TBTB: Probably no one will. It's our job in the first place.

xA: (1) My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post. Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
(2) Based on my experience with hybrids, one version of the hybrid will be large and strong usually exceeding the parents in size...
TBTB: How do we reconcile these seemingly contradictory statements? Have you studied the RTC, P. fasciatum, and their hybrid?
 
thebiggerthebetter said:
Thanks, friend. Please, keep in mind I am trying to have a friendly and constructive conversation here with the aim of my own learning, not a confrontation, although I am limited, handicapped really, in my abilities and time :)

xA: My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post.
TBTB: Agreed. I know many people have kept them even in much larger enclosures and for much longer but IDK most of the results. Of those I do know, none exceeded 4'. Anyone with experience requested, please chime in!

xA: Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
TBTB: see above. This is true but a little bit on the maximalistic side. All science does is building ever-evolving and ever-improved MODELS based on the AVAILABLE data at hand. I think that's what we are trying to follow here. Occam's razor.

xA: As far as growth rate goes, a customer of mine who built a 12x6x6 with only a rtc, hybrid and tsn, all bought together has said that the hybrid had the fastest rate.
TBTB: No surprise. But one datum is not statistics. My personal statistics says that length-wise, RTC and the hybrid grow at roughly the same rate, surely with deviations to the left and to the right. It's a bell curve. What really matters is not what we observe in our aquaria with the (usually poor quality) fish purchased in the trade, I'd think, but what the SA researchers/farmers observed with millions of these fish. Only Necro can tell us...

xA: You wanna call 7ft an exaggeration, fair enough. Im at work atm so can't surf the internet but ill find the sources I used then we can discuss the reliability of these sources.
TBTB: Looking forward to it, sincerely and constructively. I quoted 250 cm, ~7'+ for the corruscans. I doubt it and IIRC, this record is from very, very long ago, when fishes had a chance to live 50+ years and the data recording was even more prone to falsification and errors.

xA: My point still remains that this species will, in my opinion, rival rtc size without the weight. This should at least entitle it to the same recommended size tank.
TBTB: Sure. When speaking about these matters, the 5' vs. 7' difference is largely washed out :) You need a swimming pool of at least 25'x25'x8'. Period. IMHO.

xA: Agree or disagree that's your perogative but until someone gives me a full on documentation of this species in am appropriate size,
TBTB: On a silver platter? the result of heaps of research? :) I am afraid no one will.

xA: I can't just accept that this species will stay under 5' simply because that's what speculated.
TBTB: under 5' is precisely not speculated but observed, granted with the limited scope and our small abilities. 7' is a wild speculation, which, however, may or may not be possible. So is life on Mars :)

xA: Anyway I appreciate your statements and opinions
TBTB: Same here, mate.

xA: ...and i look forward to seeing someone prove me wrong :)
TBTB: Probably no one will. It's our job in the first place.

xA: (1) My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post. Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
(2) Based on my experience with hybrids, one version of the hybrid will be large and strong usually exceeding the parents in size...
TBTB: How do we reconcile these seemingly contradictory statements? Have you studied the RTC, P. fasciatum, and their hybrid?
Click to expand...

TlkmDM has kept a hybrid in his 23,000 gallon pool for 6-7 years and it is nearly 5 feet... He has TONS of videos on it. Youtube the channel "MyAquaticDiary".


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thebiggerthebetter said:
Thanks, friend. Please, keep in mind I am trying to have a friendly and constructive conversation here with the aim of my own learning, not a confrontation, although I am limited, handicapped really, in my abilities and time :)

xA: My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post.
TBTB: Agreed. I know many people have kept them even in much larger enclosures and for much longer but IDK most of the results. Of those I do know, none exceeded 4'. Anyone with experience requested, please chime in!

xA: Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
TBTB: see above. This is true but a little bit on the maximalistic side. All science does is building ever-evolving and ever-improved MODELS based on the AVAILABLE data at hand. I think that's what we are trying to follow here. Occam's razor.

xA: As far as growth rate goes, a customer of mine who built a 12x6x6 with only a rtc, hybrid and tsn, all bought together has said that the hybrid had the fastest rate.
TBTB: No surprise. But one datum is not statistics. My personal statistics says that length-wise, RTC and the hybrid grow at roughly the same rate, surely with deviations to the left and to the right. It's a bell curve. What really matters is not what we observe in our aquaria with the (usually poor quality) fish purchased in the trade, I'd think, but what the SA researchers/farmers observed with millions of these fish. Only Necro can tell us...

xA: You wanna call 7ft an exaggeration, fair enough. Im at work atm so can't surf the internet but ill find the sources I used then we can discuss the reliability of these sources.
TBTB: Looking forward to it, sincerely and constructively. I quoted 250 cm, ~7'+ for the corruscans. I doubt it and IIRC, this record is from very, very long ago, when fishes had a chance to live 50+ years and the data recording was even more prone to falsification and errors.

xA: My point still remains that this species will, in my opinion, rival rtc size without the weight. This should at least entitle it to the same recommended size tank.
TBTB: Sure. When speaking about these matters, the 5' vs. 7' difference is largely washed out :) You need a swimming pool of at least 25'x25'x8'. Period. IMHO.

xA: Agree or disagree that's your perogative but until someone gives me a full on documentation of this species in am appropriate size,
TBTB: On a silver platter? the result of heaps of research? :) I am afraid no one will.

xA: I can't just accept that this species will stay under 5' simply because that's what speculated.
TBTB: under 5' is precisely not speculated but observed, granted with the limited scope and our small abilities. 7' is a wild speculation, which, however, may or may not be possible. So is life on Mars :)

xA: Anyway I appreciate your statements and opinions
TBTB: Same here, mate.

xA: ...and i look forward to seeing someone prove me wrong :)
TBTB: Probably no one will. It's our job in the first place.

xA: (1) My question is this, has anybody kept a RTCXTSN in a 1000g+ for 5-6 years? I've not seen this. If somebody has, please post. Until this occurs, nobody can give the max size because nobodies given it a competitive chance.
(2) Based on my experience with hybrids, one version of the hybrid will be large and strong usually exceeding the parents in size...
TBTB: How do we reconcile these seemingly contradictory statements? Have you studied the RTC, P. fasciatum, and their hybrid?
Click to expand...

@TBTB
Don't worry, I know. I respect your statements and opinions. I love this forum for that exact reason as debates such as this, usually come up with a answer and help further everyone's knowledge. To answer your question, at only 16, I can't preach about having all the knowledge in the world.

That being said, I've assisted with builds and enclosures private and public builds will occur soon hopefully. I've never had a tank big enough to house them myself but I've had exposure to all three species on almost a daily basis due to my workings with monster keepers. I agree with your ID on that pic. It doesn't look like a hybrid and is most certainly not 5+ maybe 5 on a push.

My 7ft statement was in relation to the hybrid. I think, at least at the moment, I've mainly seen people house them in appropriate tanks for a while and then the person usually dissappears hence our lack of physical proof on the max sizes. Hopefully, my friend will join the forum and he can help document it.

I can't divulge how or why, simply because im not allowed too but I will soon be coming into hand with some large specimens of this hybrid, supposedly 3'+. If everything works out. I'll have one till it hits 4ft and then it'll go into a 2000g tank at a private location. I'd love to give more info but I can't just yet.

To FF,
I hope you don't take this as me flaming or anything like that because that isn't my motive in the slightest. I genuinely hope everything works out well. Heck, maybe you'll help indicate to which side the max size is more accurate! I'd love to see more pics!

Oh and one more thing, @TBTB,
You were one of the first members who's threads I started following on this site so to have this convo with you is pretty badass haha. If you have any pics of the 4' individuals you saw, I'd love to see them


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xApostle said:
But that being the case dude, it still stands to reason that the 500g isn't big enough...

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Click to expand...

Lol i would never keep it in less the 1000 gallons full grown. So it WILL become a huge eater and get huge?


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