Otroligt vackra! Vet inget om deras matbeteende. Men såhär står det på WWM. http://www.wetwebmedia.com/Hemitaurichthys.htm Due to size and eating habits these B/Fs are fish-tank only members; they will pick apart nearly every invertebrate in time. Foods/Feeding: Butterflies come in many feeding modes and grades, some strictly coral polyp eaters, others sponge, benthic invertebrates, algae... Hemitaurichthys spp. are zooplanktivorous, picking out small swimming or suspended animal matter as the currents bring them their way. In aquariums they quickly learn to accept all forms of meaty live, frozen, freeze-dried and flake foods. Take care that yours get adequate volume of feed; these are large, active animals that forage for food all during daylight. http://www.meerwasser-lexikon.de/de/8/441/Hemitaurichthys/polylepis.htm Här är ett lovande uttalande från Reefcentrals forum. http://www.reefcentral.com/forums/showthread.php?s=&threadid=966926&highlight=Pyramid have a Yellow Pyramid Butterfly, Hemitauricthys polylepis, in my 144 mixed reef and he has never shown any signs of bothering softies, LPS, or SPS. Doesn't bother fish or invertebraes either. He is basically the perfect citizen in my tank and is probably the most sociable fish in the tank (always there to greet me when I get in front of the tank). I chose this fish based on the description in S. Michael's Reef Fishes handbook and it was pretty much spot on. Seems to be totally reef safe and has proved to be hardy (I have had him for about 9 months now). He immediately took to both frozen foods and nori sheets. The nori sheets were a bit of a surprise, but he likes to partake with his tang and siganus bretheren. I would highly recommend this fish if you are looking for a reef safe butterfly.