The violence is similar in style to that seen in 'Godzilla'-type features, with fairly basic special effects showing the giant creatures as they rampage through coastal towns or demolish military ships.
However, some infrequent moderate gore is seen on a handful of occasions.
In one scene a woman is killed by the giant shark when it whacks her with its tail, resulting in a small blood pool of blood.
You see a female character lying dead on the deck of a ship, a piece of metal has pierced her abdomen, but it is on her side away from the camera. You see some pooled blood beneath her.
Three characters are shown bruised and bloodied after a helicopter crash.
A giant crocodile eats a man, though this is offscreen and only implied.
A giant shark attacks a navy ship, eventually sinking it.
A giant shark and crocodile are shown locked in combat numerous times.
A giant shark attacks and destroys a submarine, and swallows another.