pinkish fleshy looking stuff

[bettamoo]

i have a betta fish and its fat its hard to keep him small i feed him once a day and somedays i feed him a could but i always feed him like 3 flakes sometimes i dont feed him but he gets fat again fast anyway i notice he has pinkish fleshy stuff sometime when i play with him it falls from him i think i dont know if he poops it or throughs it up and today i notice a large amount at the bottom of his bowl it kinda looks like his food but pinkish fleshy color kinda nasty lookin but he seems to be fine anyway just know if anyone knew what this was or could give any advice thanks

[wystearya]

Sounds like fish poop to me. You might want to get a siphon, or turkey baster, to use to clean it out of the tank. It is a good place for bacteria to grow, and keeping the tank clean will help keep your fish healthy.

[Leeniex]

It's poop.