You can not. You should not put anything into your aquarium that you have found in the ocean. There are different bacteria and parasites in the ocean than found in your tank. In addition, the differences in PH balance and salinity are far greater. Plus the pressure of the water will different from the ocean to your tank. You not only risk the fish dying, but potentially killing off everything in your tank. There are quite a few beautiful species of reef fish available at your local saltwater fish store. Many are quite affordable and the expert at these stores can give you directions on how to acclimate your new fish.
Gold is an inert metal (not dangerous to fish). You can put it into a fish tank if you choose too.
No.
Umm you could buy a fish tank and put it in your room just make a fish then buy a fish it will get in side the fish tank in your you don't have to do nothing just buy a fish and a fish tank and it is put in your room
no
no
you can put a betta in a 5 gallon tank
TheType of fish that you put in the tank and what they need to survive
you can put fish in the tank but you can also put frogs in it too!
the fish will DIE!!
The Fish will die.
dont put oil in your fish tank. the only things that should go in to your fish tank are things bought at the fish store. also insure you know what these products do and how to properly use them first