||Inhabit rivers, lakes, ponds and ditches (Ref. 5258, 10294) with stagnant or slow-flowing water (Ref. 30578). Benthopelagic (Ref. 58302). They live better in cold water. Maximum recorded salinity is 17 ppt (Ref. 39171), but unable to withstand prolonged exposure above 15 ppt (Ref. 39172, 39174). Goldfish prefer warm waters in lakes and slow flowing rivers (Ref. 30486). They usually live over soft, muddy river beds, in areas with soft submerged vegetation (Ref. 30486). Feed on a wide range of food including plants, small crustaceans, insects, and detritus (Ref. 5258, 10294).
Feed on plants, insects, and detritus (Ref. 5258, 10411).
Reported host of bodonid flagellate Cryptobia sp. (Ref. 26129).