![]() ![]() In the wild, lifespan is undoubtedly less. In an aquarium, ten years is more likely. These animals are found in the following types of habitatĪlthough there is one report of a pet goldfish who lived 43 years, 25 years is a more reasonable maximum lifespan for a goldfish kept in a pond.Typically, goldfish will survive in water temperatures ranging from freezing to 30 degrees centegrade. Small pebbles are a suitable substitute for the pond-like bottom. Live plants must be replaced fairly regularly goldfish enjoy eating them. Bi-weekly water changes are a good idea as a goldfish tank is hard to keep clean. In captivity, an aquarium with live plants and a dirt bottom is ideal. ![]() As with their close relative the carp, they thrive in slightly murky water. In the wild, goldfish can be found in slow-moving, freshwater bodies of water. Range length 41.0 (high) cm 16.14 (high) inĪlthough goldfishes originated in China, they have now spread worldwide in aquariums, ornamental pools, and into the wild.Range mass 3.0 (high) kg 6.61 (high) lb.Instead of true teeth, goldfish have teeth in their throats which they use to crush food. Goldfish have very large eyes and acute senses of smell and hearing. ![]() The common goldfish has two sets of paired fins - the pectoral fins and pelvic fins, and three single fins- the dorsal, caudal, and anal fin. As there are over a hundred varieties of goldfish, coloration and physical characteristics vary greatly. ![]()
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