red spots

There are red spots around all the fins of my red tail catfish. I'm looking for insights into what might be causing this and how to address it. As of now, the catfish is swimming normally. Following the infection, I've taken measures such as setting the heater to 28 degrees and changing the water.

I have my koi in the pond normally all summer but I took three of my favorite ones out to put in my 300 gallon tank since I recently took it down and has been sitting empty. All the koi in the pond are eating and they seem happy. But when I took these three out I've noticed they have red...

Hey guys. There is a problem with one of the small feeder goldfish I rescued off craigslist last week. I will note that the rest died from stress and the ammonia in transport. (Long story, originally there were 5 common goldfish and 2 rosy reds! If you haven't seen my other post they were in...

We have had a pond since 2005. Approximately 1500 - 2000 gallons. 2 Large Butterfly Koi, 1 sml-med butterfly koi, 1 large shubunkin. Just noticed that the White & Red Large butterfly and the sml-med Yellow butterfly have red streaks in their tails. Just did test strip test. Absolutely no...

Hi. Would like to check if anyone here has experienced having these spots on their aros ? theres a red spot with a white spot in the middle. It suddenly appeared on the base of the fins of my aro ... any idea what this is ? is this the start of an anchor worm ? i thanks !