hey Kevin34, i have a midas blenny,(Ecsenius midas) i believe there pretty friendly, i have two and one of them is friendly, the other one was a friend's that i believed it was harassed and its mean.
the one that i have in the 280 is the friendly one, i don't have a pic of the other, its in my 144 half circle.
these guys have a nice personality,and loves too hang out his hole.