Goldfish is a member of Cyprinidae family.
They originated in China but now they are present world wide.
The lifespan of goldfish varies alot but their average lifespan is 15-20 years in ideal conditions.
The record of goldfish is 43 years which is lot more than usual.
The majority of those bred commercially are known as scaled goldfish and have a metallic sheen of red, gold, white, silver, or black. The rarer forms, which are called scaleless, actually have transparent scales and appear in bright red, blue, shades of purple, and calico patterns.
Marketed goldfish range in length from 1 to 4 in.
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