Start with a base coat!

Then add blue nail polish. I'm using Revlon coastal surf.

To make the fish we're gonna add start with an oval shape. I used a toothpick but pushed the tip down on the table to make it more flat. You can also use a dotting tool.

For the tail add a sideways 'v'.

And of course add an eye! Sorry for the bad quality!

Back to the nail now lol. Add some seaweed just by making wavy lines.

Optional: add a darker green around some edges to give it more detail.

Add fish!!!!(:

Add the eyes and you're done!