What do you think this dream might mean?

I dreamed that my husband and myself were on a boat. The water was the most beautiful blue green I have ever seen. You could see the rocks at the bottom and the fish swimming around. Then outta no where I see this humongous python swimming through to water towards us. I remember feeling this need to see it closer and leaned out over the edge of the boat. My husband saw it and began to speed up the boat and he kept screaming at me to stay away from the edge of the boat. The snake was following us closely and he kept speeding up.