ok so I have been doing my water changes every couple of days. 25% at a time. the cobra guppy is getting extremely fat. I moved him to a breeder tank tonight so that he doesn't eat with the others.
the rasbora with the damaged fin now has alot red near where the skin is.
the sterbai cory...
thanks for the replies. I will work on my cleaning schedule. I will do 3 water changes a week for a couple of weeks and keep a close eye.
there are no live plants in the tank
tank light are on 6pm to 11pm
feeding is about five nights a week as I miss a few here and there. they get 2-3...
one more comment, last week I noticed the temp had spiked to and held at 81/82, not sure for how long. I corrected the temp but hadn't looked close enough as everyone was swimming well and came out for food. not sure how long it was elevated or if it can cause this
thanks for your reply. attached are a few more photos. he is still pretty agile but his left fin is like a little brown club. very hard to photograph but it looks like I might fall off entirely.
tank has been running a few years. lost a raspbora in june, 2 neons in april, 1 neon july 2018 and...