Images via: (clockwise from top left) 
“Pesce Scropione” by Giorgio Minguzzi (cropped from original), “Cal Academy of Sciences” by Anita Hart (cropped from original), “Discus in Carmel” by David Dennis (cropped from original), “Barry” by Qiou87 (cropped from original), “IMG_4004.jpg” by kntrty (cropped from original), “Tropical fish” by David J, “spotted” by Janine (cropped from original), “Titan Trigger fish” by Shayne Thomas (cropped from original)
