Pustulose wart slug. Really? To be honest it does look like pustules there. Look close; it’s the horns you try to get in the picture. I did. And this one is small. The adults are longer. They don’t really become too large. But this guy is teeny. I do see this frequently enough to be blasé about another one. But like everything else, anything rare s a photo op. Ignore the name. It’s in the nudibranch family. And I was just as disgusted when I found the name in my book. Cute, I’ll go with cute.