We have had only ONE case in our long history of a pebble getting stuck and it was due to a rare oral deformity. Do not be worried that these pieces may get stuck. You may see your fish pick up some small pieces of rock or gravel and spit them back out. This behavior is commonly seen in pet goldfish, where they root around their substrate all day long, looking for lost tidbits. In the wild, goldfish’s ancient cousins, carp, forage all day long. It is critical that you have a good thermometer on your pond in order to determine how much to feed your fish. Outdoor goldfish can tolerate a wide variation in temperatures, but their metabolism will vary significantly more. Goldfish should NOT be kept with tropical fish since the warmer water temps, required for tropical species, will keep their metabolisms burning constantly. Most goldfish tanks are best when kept at room temperature, WITHOUT a heater. The warmer their tank, the hungrier they will be and the more frequently you will need to feed them. They thrive in water temperatures in the mid to high 70s (20s C). Goldfish are temperate fish, unlike most of the tropical fish in the pet industry. Too hot, however, a fish’s body will reverse the process, just like a human that overheats. The warmer it is, the faster these mechanisms work. A fish’s body temperature dictates its metabolism, reproduction, growth and immune function. They have no control over how warm their core temperature is, unlike humans, cats, dogs and many other pets. This means that their body temperature is regulated by their external environment. Why is temperature important in feeding fish?Īlmost all fish, with very few exceptions, are ectotherms. In learning how often to feed fish of any species, it comes down to one critical point: temperature. Understanding how often to feed goldfish is an important concept for all owners to understand.
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