Goldfish have a layer of slime on their bodies, it is their protection against disease and parasites and so it should not be damaged. Handling or stroking them is not smart simply because of that reason. Obviously they should never be stressed out by removing them from the water unless there is a jolly good reason to do so.
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.
They are a fancy goldfish (Carassius auratus). They were bred to have scales that look like pearls.
play with goldfish mates, swim, hide, spash around, and eat.fish are coolswim
No goldfish aren't cartilaginous. However cartilaginous are like sharks, rays and skates.
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.
Goldfish lay eggs. These eggs attach to objects in the tank or pond, like leaves. They stay there until the goldfish fry hatch.