Figure 8 from: Rezaie-Atagholipour M, Ghezellou P, Hesni MA, Dakhteh SMH, Ahmadian H, Vidal N (2016) Sea snakes (Elapidae, Hydrophiinae) in their westernmost extent: an updated and illustrated checklist and key to the species in the Persian Gulf and Gulf of Oman. ZooKeys 622: 129-164. https://doi.org/10.3897/zookeys.622.9939

Figure 8 - Head of Hydrophis viperinus: a lateral view b dorsal view.