change water
Yes, they can, just like any other animal.
play with goldfish mates, swim, hide, spash around, and eat.fish are coolswim
Yes and depending on their breed, they also have a 3 second memory, so no close bonds can be made between a goldfish and an owner.Yes, Goldfish have brains, just like any other living animal.
Goldfish do not get pregnant. They are egg layers. A female goldfish looks a bit chubbier than normal around the tummy when she is in breeding condition.
Like goldfish
Really let him know that you like him but don't get to crazy about him or you may freak him out.
Depends on what type or crazy. If she thinks your crazy in a fun way, then she thinks your fun to be around and will get closer to you. If she thinks your crazy as in inmature, then act mature around her, but don't change yourself.
Betta fish sleep on the bottom of the tank. I've never seen one close its eyes but they will often rest on the bottom when there is no action going on around them. Betta like to be around movement. That is why we have my betta fish in our living room.
the grow a white/green mosk around the egg
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.
move around like crazy then run turn around then shoot him