Bunch of weirdos on this forum.
You need that book "Everybody Poops" by Sum Long Brown Thing
Coloured poop that comes out and drops off straight away is normal. The colour is from the food the fish has eaten. If they eat food that is green, their poop is normally green. If the food is brown, then the poop is normally brown. A lot of commercial fish flake and pellet foods have dye in them and this can cause fish poop to change colour.
Normal colours for fish poop are brown, black, red and green.
If a fish eats lots of plant matter their poop should be green.
White poop is bad. It can mean the fish has an internal bacterial or protozoan infection, or intestinal worms. The following link tells you how to differentiate between these 3 problems.
Fish do a stringy white poop for several reasons. 1) Internal Bacterial Infections causes the fish to stop eating, swell up like a balloon, breath heavily at the surface or near a filter outlet, do stringy white poop, and die within 24-48 hours of showing these symptoms. This cannot normally be...
www.fishforums.net
Stringy white poop is white poop that hangs off the fish's butt for a while and doesn't drop off straight away.
Your all a bunch of weirdos talking about fish poop and butts.