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.
Quick Answer. According to Goldfish as Pets, a variety of seafood, vegetables and meat can be given to goldfish in moderation. Goldfish can also eat freeze-dried foods, such as brine shrimp, and live food, such as earthworms, along with regular flake food.