RTC vs TSN vs RTCxTSN growth rate

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ColeFishing

Jack Dempsey
MFK Member
Jan 5, 2012
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What are your experiences with these three catfish on their growth rate. I'm specifically look to A) how long it take to reach 24"? B) how long it takes to reach 30"? C) how long it takes to reach 36"+? Thanks. Also I'm asking for people who have owned these fish that have gotten to this area to reply to get an idea for long term growth rate. I hear many different things on the Internet for these three species.


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My rtc x tsn hit 36-38" in about 5 years. :) He was moved around a lot, and also had times where he fasted up to 5 months. Fed mainly a diet of shrimp, cichlid pellets, fish fillet, and live oscars and jaguar cichlids when people would bring them to me because they outgrew their tanks. I would quarantine the oscars for about a month before putting them in with him. There was 3 that he did not eat for some reason. He definitely could have as he ate a 14" jaguar cichlid once. lol. The oscars were smaller than that. great when he would eat one. Didn't have to feed again for a week or two. He was 30" after about 3 years. This is including the time the previous owner had him. I got him around 19" and he hit 24" in about 6 months after I got him. He was around 1 year old when I got him. So mine hit 2' in 2 years. 3' by 3.5 years, and 3.5' around the 5-5.5 year mark. Just remember these were less than optimal conditions also. That's why I was building the 4000 gal.
 
necrocanis said:
My rtc x tsn hit 36-38" in about 5 years. :) He was moved around a lot, and also had times where he fasted up to 5 months. Fed mainly a diet of shrimp, cichlid pellets, fish fillet, and live oscars and jaguar cichlids when people would bring them to me because they outgrew their tanks. I would quarantine the oscars for about a month before putting them in with him. There was 3 that he did not eat for some reason. He definitely could have as he ate a 14" jaguar cichlid once. lol. The oscars were smaller than that. great when he would eat one. Didn't have to feed again for a week or two. He was 30" after about 3 years. This is including the time the previous owner had him. I got him around 19" and he hit 24" in about 6 months after I got him. He was around 1 year old when I got him. So mine hit 2' in 2 years. 3' by 3.5 years, and 3.5' around the 5-5.5 year mark. Just remember these were less than optimal conditions also. That's why I was building the 4000 gal.
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your like the catfish god.
 
I have two hybrids and they definatly grow! i bought them in march of this year and are now almost 24". mind you i do feed a bit heavier than most and they have always had plenty of room to swim and grow. Definatly goign to out class my tsn i rescued soon and possibly start thinking of my pike or sun cat as food...shoudl they get hungry enough :p
 
RTC mine hit 20" in a year from 1.5". Was over 24" at about the 17 month mark. Was murdered at 26" and 1.5 years old.
 
I've tended to notice that the rtc and the hybrid will grow faster than the tsn's. They also take any food much easier than tsn's at a young age. The sooner you can get your tsn on a variety of prepared food's the faster he will grow.
 
ColeFishing said:
What are your experiences with these three catfish on their growth rate. I'm specifically look to A) how long it take to reach 24"? B) how long it takes to reach 30"? C) how long it takes to reach 36"+? Thanks. Also I'm asking for people who have owned these fish that have gotten to this area to reply to get an idea for long term growth rate. I hear many different things on the Internet for these three species.
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IME and IMO, they are all comparable in ideal conditions... talking about length. Girth-wise, the hybrid wins.

12-18 months to 2'

2-3 years 3'

5-7 years 4'
 
my TSN was 6 inches when i got my rtc at 2 inches It is 1.5 years lattor and my tsn is 18.5 inches and rtc is 20. Tsn grow at a slower rate I found threw research before getting them and so i got the tsn first.
 
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