After seeing your good "Bazooka Fish" animation, I decided to check your other stuff out, then I land on this video and see that I had already given it a five-star sometime in the past yet I haven't written a review! Well, I guess it's about time xD
Everytime you create an animation centered around the ocean, it just seems so... "magical"... I don't know how to describe it, but your usage of colors is on top, the melody in the background makes the impact on the scenes stronger and it is well animated, I like the subtle part where the music get more intense for a moment and then the fish swim away, and towards the end, as the shark is approaching you, it gets really relaxing. Small detail, but quite nice ^_^