You should keep the water at room temperature.
A goldfish is an ectotherm, meaning it relies on external sources of heat to regulate its body temperature. It cannot generate its own body heat internally like endotherms (e.g. mammals and birds) can.
Like goldfish
If someone says you have a mind like a goldfish, they are saying you have no mind at all.
All goldfish can, just like all mammals can.
because it is a goldfish stupid
There are a great many plants that goldfish will not eat. Goldfish will not eat plants like trees for example.
Goldfish have a backbone, like all fish, which does indeed make them invertabrates.
The scientific name for a goldfish is Carassius auratus. Carassius means 'carp like' ; Auratus means 'overlaid with gold'. A goldfish is a carp like fish overlaid with gold.
you put it somewhere where there is no sunlight or light because goldfish die in the heat so use cold water and put it somewhere cold but not that cold
You could go by the golden rule. If to all intents and purposes it looks and behaves like a goldfish, in all probability it is a goldfish. Goldfish come in very many different shapes, sizes and colours.
play with goldfish mates, swim, hide, spash around, and eat.fish are coolswim
They are a fancy goldfish (Carassius auratus). They were bred to have scales that look like pearls.