At first he was very shy but he came around and he comes out a lot now, he's best buds with my Helfrichi Fire fish, yellow coris, and purple tang. He seems to like the company of other fish. He usually swims around but of course being a blenny he sometimes hides in my rock work or perches on the edge of the glass. When I bought him he was a super picky eater. He would not take pellets, nor frozen. Luckily he came around to liking small chunks of ROE which I mixed with mysis and brine. He eventually started to eat the brine and mysis. I've had him now for roughly 3 months. He's put on a inch or so in size and definitely has gotten fatter.