Only fishes in my brain

I didn't know if I should put 'only fishes' or 'only the sea'... I mean, the sea makes more sense, but I rally like how it sounds with fishes... I'm talking about the title, btw and what sounds better, head or brain?? whateeeever.....I had this idea in maths class, or something like that, but I think I got inspired by the orange lines in the backgroung came out really randomly ( ) I wanted to trry how it would look in orange background, and I don't know why I made it with the brush, not with the bucket. I didn't liked it, so I did the ctl-z thing a few times, and for some reason, it stopped here