There's a crisis in the Florida Everglades as giant pythons are threatening the alligator population.
A new mega shark threatens to destroy humanity. The government creates an exact robotic copy of the shark, either equal to or greater than the original. Now they must fight to the death while people and whole cities get in the way.
A huge iceberg calves that holds a megalodon (mega shark) and a giant octopus frozen inside it. Deployment of a LFAS (low frequency automatic sonar) unit causes it to shatter. The two behemoths thaw and return to life. The shark terrorizes the California coast while the octopus creates havoc things near Japan. A group of three oceanographers put together a plan to draw the beasts into a trap with pheromones. Written by G. Wiz