I noticed it a week ago and I think it's getting bigger. There's a black dot at the top of it's tailfin. Since it's hard to see in the picture I'll add its on both sides of the fin and is almost a ball shape. It's a black/dark-gray color.
Disclaimer: No, I'm not talking about the beautiful black circle on it's body.
Disclaimer: No, I'm not talking about the beautiful black circle on it's body.