Must be photoshopped ~ but so pretty! Marquise Noire beautiful yellow or chartreuse and black rose ? Might be a "hocus pocus" or "Memphis music rose" plant .slightly tweaked top look black instead of Burgundy?
They're not fish; they're echinoderms, closely related to sea urchins. The five-arm varieties are the most common, but sea stars with 20 and even 40 arms exist. Very interesting article about sea star "fish.