The actors Jason and Jeremy London are twins.
The footage of the flare in the sky is the same footage used in Ozark Sharks when the husband and wife are on the lake and fire the flare.
It's a shark movie within a shark movie.
Mississippi River Sharks makes their debut during SyFy Channels Sharknado Week on SyFy July 31,2017.
At 14 minutes Jason gives a shout out to an actual movie "Santa Jaws".