What Will The Mososaur Attack?

Probably eats D-rex...idk

It'll probably eat people dumb enough to swim into the lake to get away from a dinosar.

LOL 

I agree...dumb people....D-Rex....maybe some other smaller dinos....

I like @Silver_Falcon's idea of the D. Rex being eaten by the mosasaur after it's pushed into the aquarium by the D. Rex.

Same here, the mosasaurus should play an important role in the climax, along with T.Rex.

It's Lazy writing for it to just Eat T-rex/D-rex, That's poor writing and a waste of a Movie.

No no, The Mosasaur probably won't do anything, It's most likely there for a Wow Effect.

Can't put all your eggs in one Basket, Hence why we Don't see D-Rex in the Trailer (A ton of Foreshadowing but no solid shots).

Plus, The Mosasaur is Contained in it's own Lagoon paddock, This thing is incredibly large, How is it EVER going to play an Actual Part in the Movie?

I bet the rail gets stuck going over the lagoon paddock when the park shuts down, and either falls in the lagoon so the Mosasaur can eat the entire train car or attacks the train car while it's stagnant on the rail!

I think they might do what they did in the action choise game where the have to go into the Lagoon to get something important. Tell me what u guys think!