I don't bloody know!

I've just made an ultramarine wash with the intention of creating a surreal space scene, but I don't feel very surreal now! I suppose I could put in some tropica fish, but I can't draw reefs, any suggestions would be gratefully received. Here's my really interesting wash;

The colour isn't bad but..

I thought the art itself would be the most difficult, but I'm beginning to wonder whether finding something suitable to draw is more difficult!