blacksaddle snake eel in lembeh strait

animals beautiful behavior biodiversity biology black blacksaddle camouflage cephalozona close conservation coral diving ecology ecosystem eel environment evolution eyes face fish habitat head indonesia island its landscape lembeh life macro marine muck nature niche ocean ophichthus pacific pokes predator rare reef research sand science scuba sea seascape snake snorkeling species strait sulawesi triangle tropical tropics underwater volcanic water wild wildlife