Hahaha, they definitely are. The way they swim is so amusing. Although I get tired just watching them, the way they flap like crazy and swim around makes me feel like I am getting a work out too. Are they T.R. and people friendly? I used to only have a damsel in my tank and it always hide when I came near (except when it saw food). My clown is totally different and is very aggressive in its attempts to get attention. Probably my most active and fearless fish in all my tanks.They've also been good dither fish to get the others out in the open. Goofballs that they are. The dogs were hilarious when they spotted them, I asked them "fishies where are the fishies" and then glanced over at the tank then did a double take and cocked their heads as if to say "whoa! Where did those little bumblebee fish come from?"