Reef manta ray (Manta alfredi) with shoal of flag perch (Pseudanthias) Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Swarm Pigmy sweeper (Parapriacanthus ransonneti) or gold-glass fish, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Dogtooth tuna (Gymnosarda unicolor) dog-tooth tuna, swimming over coral reef, Richelieu Rock, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Grey reef shark (Carcharhinus amblyrhynchos)... swimming in a shoal... Redtoothed triggerfish (Odonus niger) Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Green turtle (Chelonia mydas) or green turtle, swimming against the light over sandy bottom, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Clark's anemonefish (Amphiprion clarkii) in host anemone, Bubble-tip anemone (Entacmaea quadricolor) Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

Spotted eagle ray (Aetobatus narinari), swimming in the open sea, back light, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

View to Ko Ba Ngu Island, also known as Ko Bayuor, Mu Ko Similan National Park, Similan Islands, Phang Nga province, Thailand, Asia