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Betta clamping and not swimming around

PostPosted: Sat Jan 17, 2015 12:26 pm
by colorstudy
I've had my betta Benji for about 4 months. He has been in a one gallon tank with a fake plant and a ceramic log hidey hole. I live somewhere cold, so the tank has not been at the correct temperature. I am aware now that this is not a great environment, and am doing my best to right this. He will be moving to a 2.5 gallon tank with a heater by the end of the week. The heater came yesterday, and I put it in his tank, with a stick on thermometer on the side of the tank to make sure I didn't overheat the one gallon tank. He's been eating a little less this last week (he gets two pellets in the morning and two at night), but I had thought that perhaps its because as a college student, I keep unusual hours and had been feeding him too late, after he'd gone to sleep. Other than that, he's been happy and active. His fins were spread, he would swim around and through the plant and log and nose around in the pebbles at the bottom of the tank, and he would always swim up to the front of the tank and greet me when I came in the room. (I will note that he we pet sat by a friend, and since he's been home, I haven't seen him make bubble nests, which he did previously) However, I've noticed a very dramatic change since I put the heater in yesterday afternoon. The tank is 76 degrees now, (it had been 68 when I put the thermometer in before turning the heater on) and while he was very perky for a while, he now has clamped his fins up a bit and has wedged himself between the heater and the glass at the surface of the water. He's not stuck: every once in a while he'll back up out of there and then go wedge himself in again. When he does swim around at all, its in very jerky motions.