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.
Some other good things to feed goldfish is besides flake foods and pellet foods is live food. These are excellent fish treats that offer different nutritional properties. You can always feed them bloodworms, tubifex worms, brine shrimp, daphnia, black mosquito larvae and earthworms.