Figure 3 from: Robertson DR, Perez-España H, Lara EN, Itza FP, Simoes N (2016) The fishes of Cayo Arcas (Campeche Bank, Gulf of Mexico): an updated checklist. ZooKeys 640: 139-155. https://doi.org/10.3897/zookeys.640.10862

Figure 3 - Neopomacentrus cyanomos at Cayo Arcas, July 2013 (Photo HP-E); 11 Neopomacentrus cyanomos are visible, and can be identified by the presence of a black blotch on the shoulder, and a large white blotch on the rear edge of the dorsal fin; a single Chromis multilineata (without the shoulder- and dorsal-fin blotches) is present in the foreground immediately above the brain coral.