Uneaten food quickly causes an ammonia spike in the water which is a killer for The number one killer of goldfish is polluted water caused by Goldfish get sick or die because the conditions they are in have Read more on Goldfish breeding… Treating Goldfish Illnesses They will eat any eggs or fry (babies) they can find. No care is given to the eggs by the parents, in fact after breeding ceases,

Males follow in close pursuit to fertilize them. Goldfish Are Egg Layersįemale scatters her eggs randomly among plants growing in the shallows as the Kept because more water is exposed to the air and pollutants are removed. Using aquarium water filters does allow higher fish numbers to be Goldfish are extremely tolerant of a wide range of water conditions andĬan live in hard, soft, acid or alkaline water.īut they won’t tolerate low dissolved oxygen levels caused by polluted Goldfish need approximately 24 square inches of surface area per inch ofįancy deep bodied varieties require even more square inches of surfaceĪrea than the figure above because they have greater body mass per inch. Read more on water conditions… Goldfish Need Space To Grow They shouldn’t be subjected to a change in water temperature of more than 5 oF (2.78 oC) when moved from one body of water to another. Goldfish are poikilothermic which means they are the same temperature as the water they are in. Only when the water temperature is in the mid ranges of above 55 oF (13 oC) and below 80 oF (27 oC) do goldfish thrive. They can also live in temperatures close to 100 oF (38 oC) but the temperature change has to be very gradual. Goldfish can live in very cold water, just above freezing, but only for short periods of time such as during winter. Overfeeding of dry foods is the biggest cause of goldfish deaths because the uneaten food quickly pollutes the water. The amount of plant or animal based food to feed depends on the season, age, and whether

Goldfish are omnivorous, meaning they eat plants and animal basedĪnd avoid digestive problems, especially those with short rounded bodies. Fluid sacs underneath the eyes ( Water Bubble Eyes).ĭon't ever mix normal eyed goldfish with the other three types as they will always get to food first.These varieties lack a dorsal fin (Celestials, Water Bubble Eyes, Lionheads). Short and rounded but not as deep as the varieties mentioned above. Varieties all have twin caudal fins with deep rounded bodies (Orandas, Moors, and Veiltails). Varieties have single caudal fins (Comets, Shubunkins). There are variations within each of these forms such as length, fullness (The Common, Comet, Bristol, LondonĪnd American/Japanese Shubunkins are the only other single finned varieties). Every other variety of goldfish has had its The Common Goldfish has the same fins as its ancestor the Prussian Carp (Carassius Gibelio). The most common color is orange or orange/red. There are three metallic, the most common, nacreous (calico) and matt. To white to red or any combination of these colors.Ĭolor combinations depend on the scale type. Goldfish can come in any color but rarely gold, ranging from jet black Such as Water Bubble Eyes, Lionheads and Celestials. Many aren’t available in Europe or America,īeginners should gain experience with hardy cheaper varieties such as Comets,įantails and Moors, then move on to the more exotic varieties There are well over 100 varieties of goldfish.

Gold fish