school of chevron barracuda, sphyraena putnamiae in a tropical blue andaman sea

andaman animal aquatic barracuda barracudas biodiversity blackfin bon chevron coral dive diving environment exotic fauna fish fishes genie hunter islands koh lanka life marine nature ocean predator putnamiae reef richelieu rock saltwater school schoold schooling scuba sea similan sphyraenidae spyhraena sri surin tachai tropical undersea underwater water wild wildlife