it could simply be that the fish are bloated, which could be as simple as a dietry problem. Are fish allowed to eat their poop my one does , is it healthy or what does it do to the fish ? Hi, The tank: I have 2 x Fantails in a 30g tank. Majority of the diet is flakes (but they will be going soon in favour of … the important thing here was the ammonium->ammonia part. Stools, which change to the […] does any one have poop eating goldfish, would it affect them? If the fish have parasites, then the poop is white and stringy all the time, not when they eat something specific. The bacteria will get some of it, but if you have enough fish, you will have poop. Re: Fish Poop and You: A Primer long time ago I heard that ammonium->ammonia->nitrIte->nitrates-> plants or anaerobic bacteria->plant tissue or nitrogen gas, was a more complete nitrogen cycle. ... 4 years ago. ... Filtration in the tank is a Fluval U3, with additional filter sponge over the intake. if the poop of the fsh is long and drawn out, its usually not too much of a problem in itself, but could be a sign of other things. Long version: Even the swallowing itself might injure or kill the fish. And your cleanup crew poops too. Like any other animal, we need to learn about their anatomy and how their bodies function so that we can care for them properly. So, if you don't want to clean up poop, ever, don't get fish. Short version: It’ll die. The oesophagus (the tube between mouth and stomach) is a muscular tube that squeezes food along into the stomach, this may already crush the fish. To understand how goldfish poop and pee, we need to learn about goldfish as well as other tropical fish. Most will just suck it in thinking it's food then spit it out. Keep in mind that plecos are warm water tropical fish, and not a good choice for coldwater goldfish tanks. Fish currently eat Rapashy, as well as flakes. Lethargic Goldfish with white stringy poop. Changes in the stools of Koi, goldfish and pond fish The Koi, goldfish and pond fish stool normally appears brown and friable [crumbly] Deviations from this quality of stool are not always pathological but the diagnosis and correction of these potential problems is covered in this section for you edification. Sometimes it can be white and thin like a silk thread(I remember this from the hexamita I treated) It shouldn't hurt them unless the poop they are eating is from a fish with internal parasites, some fish in the wild eat poop a lot. what are you feeding the fish? my goldfish have been mistaking poop for food when they see any, and it happens everytime one poops another runs to eat it, i can see they will split it out but manytimes mine dont when i watch them for a while. How Goldfish Poop And Pee – Goldfish Anatomy And Biology.