Guppie with hanging thing from butt

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markymarkx

Aquarium Advice Newbie
Joined
Apr 16, 2020
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2
One of my guppies has had things hanging from it's bottom for the past week. He doesn't play or bother the females anymore. He just swims near the top or on the floor of the aquarium.
I looked at the, let's call it "poop", under a magnifier and it doesn't look like anything except a greasy mess. This last one was really long so it got me worried.

He mostly eats fish flakes, but I'm going to give him more veggies.

He's the only guppy who has this problem. Does anyone know what could be happening to my guppy? Should I quarantine him?

Thank you in advance.IMG_20200416_134013.jpgIMG_20200416_133946.jpg
 
Stringy poop might be a sign of internal parasites. Did you notice him scratching on any decorations?
 
I think so. He was burying his nose in the gravel the first few days. He doesn't do it anymore though.
 
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