I love the water effect on this cake but wasn't able to find a tutorial or any instructions on the process. Do you think I could replicate this by covering the board in turquoise, piping globs of royal icing using a paintbrush to drag some out a little, let dry and then brush with a very light blue piping gel? Also any idea how to recreate such a realistic fish? Thanks!
http://cakes.keyartstudio.com/cake-blog/item/98-fishing-and-hunting-cake.html

You're right about the RI

The fish looks relatively simple to make. The fins are attached separately and the whole fish is painted with petal dust mixed with a little clear alcohol. You can put spots on him with an edible ink pen.

Good luck