They need a good supply of oxygen ( some air bubblers do fine ), a reasonable current ( which is often provided by the bubblers if they are good strong ones ), and a gravel bottom.
2.
Scenes featuring model submarines or marionettes underwater were actually filmed on a dry set, with the camera filming through a narrow water tank containing air bubblers and fish of different sizes to Thunderbirds ", " Captain Scarlet and the Mysterons ", and " Joe 90 ".
मोबाइल