Keeping blue spotted sunfish outdoor in winter
Posted 08 October 2019 - 06:21 AM
Posted 08 October 2019 - 04:09 PM
I keep bluespotteds outside, but I live in the southern USA. I get a week where there is ice on the 100 gallon containers that I use. But since they are sort of deep and on the ground (and no circulation, that is important) the water at the bottom is not as low as the air temp. Maybe 10c even when the air is -5c. They do fine and breed in the 100 gallon tanks.
Posted 09 October 2019 - 02:00 PM
Hi and thanks for your reply.
I keep them in a 1000 liters rainwater tank off ground placed on a pallet and insulated on the sides with polystyrene (see picture).
I also have a 5000 liters pond with other fishes sunk in the ground but it doesn't matter the depth (32 inches deep) the water still goes down to 4/5 C for about a month or so, but warms up during the the day as we don't get much freezing, so it's not all week long at 4°C
I also cover the pond and so will be the tank for its first winter with plexyglass.
In my pond i keep all year round some shiners : notropis chrosomus, cyprinella lutrensis and chrosomus erythrogaster.
As you can see i would not make a great difference wether sunk or not in the ground.
Edited by guypain, 09 October 2019 - 02:04 PM.
Posted 09 October 2019 - 07:26 PM
Cool setup. I bet the insulation is a great help in evening out the temperature swings.
The member formerly known as Skipjack
Posted 10 October 2019 - 01:55 PM
Posted 11 October 2019 - 07:44 AM
Posted 11 October 2019 - 08:45 PM
if you can have some inside and some outside, I think you should do that... prove to yourself that your fish can live outside... I think they will, especially if they been outside all summer fattening up on live foods.
Posted 24 December 2019 - 06:44 AM
Hi some update, i finally put a 300 watts heater in the outiside tank because i didn't have enough free room inside or too many fishes
Everyone's fine the current water temps fluctuate from 16°C to 18°C when it's 5°C in the moring to 12°C in the evening.
The winter has not arrived yet, it's gonna be much colder from mid-january, then i'll unplug the heater at the beginnig of march to have a real cool down period without the risk of losing my strains.
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