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Piranha Surviving winter?


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#1 c_granger21

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Posted 13 October 2011 - 04:39 PM

I live in Indiana... near Chicago. and there is a couple ponds / lakes that my friends have caught piranha in. My question is were they dumped this year, or can they survive the pond or lake when it freezes over?
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#2 Lifer374

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Posted 13 October 2011 - 04:43 PM

No.
I believe somewhere in the low 50's (degrees) piranhas will show less and less activity. Mid 40's they show signs of going into a coma and quickly die.

Unless the pond has some kind of a hot water spring, warming the water in a certain spot where the piranha can stay warm, they were introduced this year.

Edited by Lifer374, 13 October 2011 - 04:44 PM.

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#3 Smoke

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Posted 13 October 2011 - 04:45 PM

Yeah there were some experiments done (can't remember which show), but at low 50's... they were practically dead.
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#4 JoeDizzleMPLS

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Posted 13 October 2011 - 04:46 PM

Here's a map from OPEFE that shows where piranhas could survive winters...

Attached File  Winter Map.jpg   81.82KB   0 downloads

http://www.opefe.com...t_prohibit.html

#5 c_granger21

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Posted 13 October 2011 - 04:48 PM

Oh wow...... odd there was so many....

Edited by c_granger21, 13 October 2011 - 05:13 PM.

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#6 0S1R1S

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Posted 13 October 2011 - 05:32 PM

Interesting map, so why are some northern states still anal about legalizing them if they have no chance of surviving?
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#7 hastatus

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Posted 13 October 2011 - 05:38 PM

Interesting map, so why are some northern states still anal about legalizing them if they have no chance of surviving?

Because of a couple of reasons, mis-identification of pacu as piranha. And dumb hobbyists that keep turning them loose. Released non-natives is a huge problem, whether they live or not in that climate.
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#8 c_granger21

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Posted 13 October 2011 - 06:20 PM

so pacu can survive???
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#9 hastatus

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Posted 13 October 2011 - 06:42 PM

so pacu can survive???

They tend to survive cold temperatures. Could be because they are surface feeders.
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#10 MFNRyan

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Posted 13 October 2011 - 07:30 PM

Here's a map from OPEFE that shows where piranhas could survive winters...

Attached File  Winter Map.jpg   81.82KB   0 downloads

http://www.opefe.com...t_prohibit.html

this map is very cool.. but I think it's slightly off, I use to live in Dallas which is out of the area that a piranah even could survive a winter but yet.. year round summer and winter, red belly piranha are caught in Lake Lavon, Lake Texomha, Lake Fork, an Lake Tawakoni. Some are pretty big. Given that the Piranha's are very very illegal in Texas I could see someone sneaking them in an then turning them lose cause they are afraid of getting caught. But it has been getting more an more common they are caught an also the size of the fish seem to be getting bigger?
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#11 hastatus

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Posted 13 October 2011 - 07:40 PM

this map is very cool.. but I think it's slightly off, I use to live in Dallas which is out of the area that a piranah even could survive a winter but yet.. year round summer and winter, red belly piranha are caught in Lake Lavon, Lake Texomha, Lake Fork, an Lake Tawakoni. Some are pretty big. Given that the Piranha's are very very illegal in Texas I could see someone sneaking them in an then turning them lose cause they are afraid of getting caught. But it has been getting more an more common they are caught an also the size of the fish seem to be getting bigger?


Not sure where your getting your info on "piranhas" being caught. There was only a recent capture of one. And that one was indeed P. nattereri and that was the first one in many years. Most are pacus misidentified as piranha.
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#12 MFNRyan

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Posted 13 October 2011 - 08:40 PM

the news papers, the news on tv.. my dad was in a fishing tourney two weeks back an a guy had one in his boat he caught. It's all over the media down there.

Could be they are catching pacu.. that much I'm not sure of... there isn't always a picture of it
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#13 hastatus

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Posted 13 October 2011 - 09:14 PM

the news papers, the news on tv.. my dad was in a fishing tourney two weeks back an a guy had one in his boat he caught. It's all over the media down there.

Could be they are catching pacu.. that much I'm not sure of... there isn't always a picture of it


Without a photo one never knows. Acouple years back a Texas fish dealer was busted for selling piranhas in his store. Photos of the fishes revealed nothing more than juvenile Pacu.

Edited by hastatus, 13 October 2011 - 09:14 PM.

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#14 Elong Nick

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Posted 14 October 2011 - 03:50 AM

Damn shame.
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#15 ACrowe25

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Posted 14 October 2011 - 07:27 AM

Without a photo one never knows. Acouple years back a Texas fish dealer was busted for selling piranhas in his store. Photos of the fishes revealed nothing more than juvenile Pacu.


That's ridiculous. Just shows how little the men/women in charge know.
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#16 ______

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Posted 14 October 2011 - 10:55 AM

Without a photo one never knows. Acouple years back a Texas fish dealer was busted for selling piranhas in his store. Photos of the fishes revealed nothing more than juvenile Pacu.


I do recall that, it was a pretty big deal too. I did find it hilarious that it made it to the media before somebody noticed they were not Piranha.

As for catching Piranha in local lakes and ponds, its not heard of very often and widely publicized when it does for the most part. without seeing the specimen first hand or at least clear pictures it's really hard to take somebody's word on fish ID.

A lot of our members here are considere advance hobbyist or some of even specialist and have gotten Piranha identification wrong from pictures, can you image getting an ID from someone who has never seen a Piranha outside a zoo/aquarium
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#17 Grosse Gurke

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Posted 14 October 2011 - 11:27 AM

Because of a couple of reasons, mis-identification of pacu as piranha. And dumb hobbyists that keep turning them loose. Released non-natives is a huge problem, whether they live or not in that climate.

I would also say that Hollywood and good old Teddy Roosevelt played a hand in getting/keeping these fish illegal.

gallery_2_10_18361.jpgsml_gallery_2_10_73348.jpg


#18 ACrowe25

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Posted 14 October 2011 - 03:34 PM

I would also say that Hollywood and good old Teddy Roosevelt played a hand in getting/keeping these fish illegal.


Just like anything else (I.e. Burmese pythons). Hollywood is great isn't it.
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#19 hastatus

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Posted 14 October 2011 - 10:29 PM

Here is the letter of rebuttal from David M. Schleser to the Texas authorities. I encouraged Dave to write it and then I published it at OPEFE:

http://www.angelfire...eser_plano.html
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