2. the great circle of the earth that is equidistant from the North Pole and South Pole. 3. a circle separating a surface into two congruent parts. 4. celestial equator. [1350â1400; Middle English < Medieval Latin aequÄtor, Latin: equalizer (of day and night, as when the sun crosses the equator).
Commercial goldfish food -- available as flakes, pellets and granules -- contain all the nutrients goldfish need, and should form the major part of their diets. Overfeeding goldfish allows uneaten food to decay and contaminate aquarium water. Goldfish feces is another contaminant.
A: Goldfish are a warm water fish. They can live in tropical or cold water for short periods of time but prefer a temperature around 65oF. Unless you live in a very cold climate that has a prolonged period of cold weather (3 months under freezing), your goldfish donât need a heater.