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11

Goldfish can live for up to three hours out of water. It also depends on where your goldfish lands. If they landed somewhere moist or in the puddle of water they spilled out of their bowel, they can survive for around three hours. However, landing on a dry surface will kill them in about one hour, due to lack of breathable oxygen for their gills as well as ...


5

Fish swimming with their mouth constantly glued to water surface is a sign that they are gasping for breath. However, the reason for them being short for breath usually isn't the low oxygen concentration in the water itself, but toxic effect of water pollutants: ammonia (NH3), which burns their gills and disables the fish from extracting oxygen from the ...


4

It will be difficult but not impossible to find a turtle which fits your needs. There are some main factors you need to focus on: temperature and water quality. The temperature will be important for your turtle, the water quality for your fish. You need to find the kind of turtle, which will survive in the temperature region you live in. If you decide to ...


4

To put all the comments into an answer: You probably forgot to cycle your tank. That's a mistake many fish owners do because pet shops neglect to tell them about it. What "cycling" is and how it works is described in this very detailed answer: How does one effectively “cycle” an aquarium?. Fish becoming lethargic and either sinking to the bottom or ...


3

Too long for a comment, so an answer that might help future readers. How old are the fish? What sex? Sometimes pushing about is male fish trying to squeeze eggs out of female fish. In my experience, female goldfish get eggs round about 3 years of age. Males get breeding tubercles about 1 year. Sometimes biting and pushing just fish defending territory, ...


3

High concentration of nitrite ions (1 mg/L of NO2-) is the most concerning thing in the list of your water parameters; it is many times above the toxicity threshold, because nitrites may start to become toxic at levels as low as 0.1 mg/L. Mechanism of toxicity is that NO2- ions get absorbed into the bloodstream through gills and oxidize hemoglobin in fish's ...


2

THIS IS A MEDICAL EMERGENCY! Your fish may be infected with a viral infection called Lymphocystis. There is really no direct cure for it but your veterinarian can suppress the virus until it eventually stops. Many Prayers to your fish. This is a decision you will have to make yourself.


2

Serving size for betta food very much depends on the brand/type/size of food. It even varies for pellets, but generally is 3-5 pellets twice a day. It’s also recommended to do less than what is instructed on the food container. For flakes, really all you can say is “a pinch”. It’s a trial and error process - how much can your betta eat within a set amount of ...


1

The thumb rule is: 1 cm of fish for each 1 liter of water This means: 1 fish, 5 cm/fish -> 5 liters of water 2 fishes, 2.5 cm/fish -> 5 liters of water Now depending on which fish you want, and depending on their needs, you can make some estimation yourself. As a kind reminder (it is sometimes forgotten): plants, filters, rocks do NOT count as ...


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