So, this is the first time posting here and the first time in about 10 years that I've taken care of a beta fish. Only this time I'm taking care of three! :'D Sorry if I'm posting this in the wrong section.
All three betas (two delta tails, one twin tail) share a 7 gallon tank with dividers in between them. They each have a litter more than 2 gallons to swim around in and plenty of fake plants to hide in with some mini duckweed floating at the top. Their tank is kept at about 76 degrees with a submersible heater.
One of my deltas, Haru, had mild fin rot when I bought him (which was about two weeks ago). He recovered rapidly for the first few days in quarantine but had a relapse when I went on vacation. Apparently during the whole
time that I was gone he hadn't eaten any food and the uneaten food was left to sit at the bottom. (I told my brother to take out the uneaten food but he obviously didn't >___>)
When I came back on Friday, I did a full water change, fasted all of the betas on Saturday and tried to feed them today. My twin tail and other delta tail ate/ eat like pigs while Haru, on the other hand, doesn't touch any of his food.
When I dropped a pellet in front of Haru, he circled it once, examined it and then swam away. I left the pellet in there until it sank behind the heater. Which I then attempted to fish out (hah pun) for about 10 minutes with a turkey baster. I have tried to feed him a few times more, each time ending with the same result.
I feed my betas pellets
and take out any uneaten food manually (which is a rather tedious task because the pellets blend in with the gravel and sometimes disappear from sight.)
Haru is in the same conditions as the other betas (his quarantine tank is floating in the main tank to keep him warm), has been treated with aquarium salt and is the closest to the heater. From the day I bought him he seemed less energetic than the others and liked to float near the surface. (He still does this)
I've heard that betas don't really like pellets but the others seem to enjoy it just fine, so is he just a picky eater? Or is his lethargicness a sign that something else wrong with him?
Also, on a side note, is there an easier way to take out uneaten food from the bottom of the tank? Sticking my hand + turkey baster into their water every day probably isn't the best way. And I'm afraid that the siphon that I have is too big and won't pick up the food. D:
Here's a picture of Haru:
(The black dot above him is just my camera btw.)
Betta fish recovering from fin rot, has not eaten for almost two weeks. Not sure if he's a picky eater or if something else is going on.
Thank you in advance~