Any natives that could survive this temperature swing?

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Dark Rose

Feeder Fish
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Mar 27, 2013
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I know the bass, bluegill, catfish, carp, crappie, etc. around here survive large temperature swings from winter to summer...

I've been semi-seriously considering the idea of a native tank out in my workshop (no room for a large tank in the house). However, at the moment the building is poorly insulated, meaning it gets quite hot inside in the summer, and in the winter I have a space heater that keeps it around 36-40 degrees to keep things from freezing...
Will native fish be able to handle swings like that? Or would I be better off waiting until it's insulated (later this fall probably) and get a small window A/C unit to help regulate in the summer?

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I would wait. They probably would survive but they would not be comfortable in the summer because of the crazy heat and not in the winter because of the cold. So basically your fish we always be lethargic and not very active at all. They will also not want to eat during both seasons.


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I know the bass, bluegill, catfish, carp, crappie, etc. around here survive large temperature swings from winter to summer...

I've been semi-seriously considering the idea of a native tank out in my workshop (no room for a large tank in the house). However, at the moment the building is poorly insulated, meaning it gets quite hot inside in the summer, and in the winter I have a space heater that keeps it around 36-40 degrees to keep things from freezing...
Will native fish be able to handle swings like that? Or would I be better off waiting until it's insulated (later this fall probably) and get a small window A/C unit to help regulate in the summer?

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most sunfish would be fine in the winter with a space heater that keeps the tank from freezing....it actually good for Centrarchids to go through a cool down and warm up seasonal phases; but Im not sure how high the temps get in your shop in the summer, Ive heard of one guy using 2 fans in his garage and his fish did fine......but I was never told the temps of their garage.... he had the fans pull in cool air at night through the window in his garage, and during the day moved these fans to point at the tank to keep it from overheating, of course he had green sunfish, Bluegill and Brown Bullheads In the tank which are pretty hardy natives.
 
I don't have a thermometer out there, but I'd guess 100+ degrees easy enough. No ventilation at all in there right now, no vents or anything. At the moment it's just a bare plywood building, but here in the next month or two it'll get foam board insulation and vinyl siding, which should make it much easier to regulate temps.

Also need to figure out how to keep the tank area separated some to keep sawdust and such away from and out of the tank...

Like I said, semi-serious idea, just need to look ahead to logistics and such before making it a serious idea or not.

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I don't have a thermometer out there, but I'd guess 100+ degrees easy enough. No ventilation at all in there right now, no vents or anything. At the moment it's just a bare plywood building, but here in the next month or two it'll get foam board insulation and vinyl siding, which should make it much easier to regulate temps.

Also need to figure out how to keep the tank area separated some to keep sawdust and such away from and out of the tank...

Like I said, semi-serious idea, just need to look ahead to logistics and such before making it a serious idea or not.

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At those temps without ventilation and airconditioning, I wouldn't suggest setting up a tank in the shop.
 
That's kind of what I figured, even the shallowest ponds and streams stay cooler than that in the summer... Might have to revisit the subject in the spring after all the work is done and see how well I can stabilize the temps...
 
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