Hi everyone, I've been a long time lurker although recently new member of this forum. For some background, I've recently gotten back into fish keeping after about 8 years so I'm not a complete novice although I am definitely not an expert by any means. What brings me here today is I have noticed something abnormal in my tank. It is a 30g FW tank with a few small green corydoras and one flame dwarf gourami. The tank was cycled prior to adding them. I use the API FW testing kit (parameters: 0, 0, 10) and it is set at 79 degrees. The unusual thing I have noticed is long, white-ish feces and I worry it may be some internal parasite. I have included a picture below of one caught on a decoration. I never had to deal with parasites in my prior experience so I'm not familiar with what it could be or the best way to approach treatment. Thank you all for your help.