A coprolite (also known as a coprolith) is fossilized feces. Or you could call it what it is: fish poop. What does this in coldwater for say fish poop and waste? Fish poo is high in nitrates first and for most. Nope. Feeder fish is the worst when it come to making your aquarium dirty and janitor fish is the best in making it clean. Thanks to the fish diet of these birds, their guano is a highly effective fertilizer. Aquaponics is a sustainable method of farming that combines aquaculture (raising fish) and hydroponics (cultivating plants in water). Whale feces can give information on a number of aspects of the health, natural history and ecology of an animal or group as it contains DNA, hormones, toxins and other chemicals. I have salt water fish right now and not only that it is colorful, it also doesn't poop that much. Normal Pleco Poop Feed them just enough and you don't have to clean your tank that often. Whale Poo: The Ocean's Miracle Grow. White feces in fish, also called white stringy poop, is a fairly common symptom in both freshwater and marine aquarium fish which not always accompanies a certain disease. Common plecos are usually sold as babies when they are only one or two inches long but can grow to be two feet long. I have salt water fish right now and not only that it is colorful, it also doesn't poop that much. Fish do pee, but freshwater and saltwater fish go about it in a different fashion. Animals like Snails in particular are huge poop machines, as are Plecos which are known to wrap décor in poop! This is mostly done through the gills for fish, and through the skin for amphibians. Both are not advisable to keep. For this reason, groups such as the class Pisces seen in older reference works are no longer used in formal classifications. Aquaponics is a sustainable method of farming that combines aquaculture (raising fish) and hydroponics (cultivating plants in water). The fish in the tank eat everything in about two minutes, so I'm pretty sure I'm not using too much food. However, most of the time, the lumpy and/or white stringy feces (or sometimes even yellow poop) in discus fish is a sign of fecal disorders such as internal diseases and in particular, parasitic infections. Fish are a paraphyletic group: that is, any clade containing all fish also contains the tetrapods, which are not fish. The larger the fish, the more they will poop. I keep feeder fish to serve as food for my other fish but like I said it dirty the tank fast. They're always ready to eat, so maybe up feedings to 3 times a day? Feed them just enough and you don't have to clean your tank that often. Indeed, it is now the most widely consumed fish after salmon and tuna. Fishermen tend to embellish the size of their catch, hence the expression “fish tale” for exaggerated stories like the ones making the rounds about tilapia, a fish that is increasingly showing up on dinner plates. If you keep pet fish, you know that they poop, but it's harder to discern whether they urinate. However, if you don't clean the tank regularly and start smelling ammonia, there's your answer. If you are considering a common plecostomus (also called suckermouth catfish or plecos) than please be aware that they poop a great deal. I do notice they get these ridiculously long poops hanging out though. Ok, so nature always has a "clean up crew". The process, called aquaponics, allows farmers to grow local, organic produce anywhere at any time of year. The name is derived from the Greek words κόπρος (kopros, meaning "dung") and λίθος (lithos, meaning "stone").