(Image credit: rokaplay) I've never been much of an artist, but when I first saw Drawquarium I thought to myself 'how hard can drawing a fish really be?' I now know that answer to that question and, as it turns out, it's pretty darn difficult. Drawquarium is simple: you draw different fish and plants to fill your aquarium with in order to make it as attractive as possible to potential customers. The demo, which is currently available, only has a handful of base designs for both fish and plants, but that's not a massive issue for someone as creative as I am. (Image credit: rokaplay) You see, you can design each fish however you see fit. I started off populating my aquarium Any Fin Goes (I'm quite proud of that by the way), by spending way too much time trying to create a pretty ombre design. Bear in mind I don't have a drawing tablet so this was all done with a mouse and keyboard.…