I have a female betta that I decided not to breed. That was her intended purpose, but I realized she is too big for my male. She is in a heated and filtered tank (sponge filter), steady 78 degrees F with a ph of 7.6. she has been in there for a few days, and yesterday I could see very definate horizontal stripes and orange around her eyes (which are normally all black in her). Half the time she is hiding inside an empty huge snail/hermit crab shell, and the other half she is darting around the tank. She is in there alone, and she still eats some, but not nearly as much as normal for her. Any ideas what's wrong? All help is greatly appreciated.
Most people would say 86 is too high. My female freaks if her tank is above 76 (trust me, I've tried, many, many times based on the advice given by several people - if her tank is warmer than 76, she becomes droopy, fins clamped, she turns pale, and she hides) my male on the other hand prefers his tank about 79.
With your female darting around the tank, hiding, going slightly off her food, and stressing...she might have parasites. Look at her as closely as possible to see if you see any white dots (like grains of sand), dust that could either be a grayish color or look golden, or anything on her scales or hanging from her gills, and watch her poop to make sure it is not white and stringy.
I agree about upping the temp to 79-80F as just that small change could make a big difference.
the orange around her eyes kinda freaks me out... her head has some gray on it but it has always been liken that, and she wasnt acting like this for the first while I had her. I havent seen any spots on her, but I'll keep watching... She has an old hermit crab or snail shell, its big. also there is gravel and her filter and heater and water of course:] She is in the tank alone like I said, so she is not spreading it around, whatever it is. She used to be in a divided tank with my male betta, but he isnt stressed like she is, still happy and building bubble nests.