![]() ![]() They will scavenge the bottom of the water, eating plant material, small insects, and crustaceans in the wild.įemales deposit eggs on gravel or plants. Diet and FeedingĬommon goldfish are omnivores, meaning their diet consists of both plants and animals. Avoid fish that are notorious for being territorial and aggressive such as betta fish, freshwater angelfish, dwarf gouramis, and discus fish. Small fish will be mistaken for food, so you should choose similar-sized tankmates. They’re communal, social fish that like to be part of a group.Ĭommon goldfish like to scavenge. Snails help keep the tank clean by eating leftover food and algae, which can offset the amount of waste your fish will produce.Ĭommon goldfish are good-natured and not territorial. Mystery snails are also a great companion for your common goldfish. Tank MatesĬommon goldfish are great tankmates for the rosy barb, platy fish, and bristlenose pleco. ![]() Common goldfish produce a lot of waste, so performing regular water changes is important. High-quality water filters will help maintain hygienic tank conditions. Water heaters are brilliant tools for regulating the temperature in the tank. Aquarium lighting can affect water temperature and often make the water warmer at the surface. You can avoid this by rooting plants in the substrate and surrounding them with heavier stones so they can’t be moved. Hardy plants like anubias and eelgrass are good choices.Ĭommon goldfish prefer cold water between 68º and 76✯, and a water pH level between 6 and 8. They require a gravel substrate and natural plants and decorations to explore.Īquarium plants face the risk of being eaten or uprooted by common goldfish. Aquarists looking to keep more than one common goldfish in an aquarium should consider adding 10 gallons of water for every additional fish. Tank ConditionsĬommon goldfish tanks should be at least 20 gallons in size. Outdoor ponds should be at least four feet deep to avoid freezing completely, allowing captive goldfish to survive harsher temperatures. In their natural habitat of lakes and ponds, the water is deep enough for the fish to hibernate at the bottom and avoid freezing in the winter. Aquarists can influence activity by controlling the lighting in the tank. However, common goldfish will become less active when their tank is dimly lit, regardless of the time of day. They are fast swimmers, rarely gather in one area of the tank, and will often linger at the surface of the tank if the oxygen levels in the water are low. You should provide common goldfish with plants, caves, and hiding spaces to keep them happy and healthy.Ĭommon goldfish don’t have regular sleeping patterns and are active during the day and at night. Look out for the following signs of stress:Ĭommon goldfish like to explore their environment. Fish living in aquariums without sufficient resources and hiding places will become distressed and sick. You should feed these fish two or three times per day to avoid conflict.Ĭompetition can stress common goldfish. They are also sold cheaper online in bulk for use as feeder fish.Ĭommon goldfish are rarely aggressive, but they will fight for food if the fish are underfed. They cost around $1 per fish, depending on their size. In the 19th century, common goldfish became popular in the United States.Ĭommon goldfish are easy to find in most pet stores. Asians and Europeans were keeping domesticated goldfish inside tanks by the 1600s. The fish became an iconic symbol of Chinese culture, and wealthy people would have goldfish on display in ponds. Mutations can produce fish that are yellow, red, or gold in color, hence their name goldfish. Advertisements Category Rating Care Level: Easy Temperament: Peaceful, Communal Color: Various colors and patterns Lifespan: 10 years Size: 12 inches Diet: Omnivore Family: Cyprinidae Minimum Tank Size: 20-gallons Tank Setup: Freshwater, plants, caves Compatibility: Similar size fish, avoid larger fishĬommon goldfish get their name from a color mutation that occurred when the Chinese began domesticating carp for food. Carp are wild fish found in shallow, calm water such as rivers, streams, lakes, and reservoirs.
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