Lumpfish
Main Photo Credit: Lumpfish (Cyclopterus lumpus), at Dorée Tropical Aquarium, Paris by Jiel, 2013. https://commons.wikimedia.org/wiki/File:Jielbeaumadier_poisson_gris_2_paris_2014.jpeg. Licenced with CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0.