I just got my first glofish(es) about a week ago and I am a bit overwhelmed by everything that I need to know. I was given the fish as a surprise gift so I didn't have the chance to do any research. I've been doing research as I go and stumbled onto this forum and that it'd be helpful to have a place where I could get some tips and advice. I am currently concerned about my orange fish. He's active on occasion, especially when I feed my fish. However today I noticed something that seemed to be sticking out from his body near his fin and I though "oh there is something wrong with his fin." It looks like it is hanging specifically from his fin and it is brown. It looks longer than when I originally noticed it earlier today. Do fish get constipated? Idk (it occurred to me that may be what is going on here.) He's swimming more today and he appears to be swimming normally. I can't tell if there is any other issues with his fin cause he keeps moving, LOL! I can't seem to upload a photo, so I hope this description helps. I have a filter. I need to upgrade my tank but I don't know what size tank is good for glofish. I've read 5 gal is okay (not necessarily recommended, it's okay, then I've heard that 10 gal or 20 gal is good. I know glofish are active swimmers but what is a good size? I do frequent water changes and had issues with smelly water though I have found the culprit. And now I make sure I use a conditioner when I change out the water every other day or so. I change it out anywhere between 25%-50% as needed. A couple days ago I found out that I was supposed to cycle my tank. Is it too late to do that? Can I do cycle my tank with my fish in the tank, will they be able to handle it? I know these are quite a few questions but I hope someone can help, especially with my concerns about my orange glofish. Thank you! Also does anyone know of a web site that has some in depth information on glofish. I found a specific website about glofish but I felt like the site was geared toward children and wasn't very informative. Thank you for your help. In the meantime I will keep an eye on my orange fish (his name his Charlie) and provide updates on his condition in hopes of getting this mystery solved and so I can help him.