heniochus acuminatus swims in the water of the sid from the bottom side. keeping the aquarium clean

animal snorkeling reef fish ocean travel tropical underwater marine corals coral colorful blue wild nature aquatic wildlife scenery scuba sea tokyo skin diving snorkel soft threeband pennantfish shikinejima island swimming natural pacific apnea background beautiful cute deep dive diver school banner heniochus chrysostomus isolated izu islands landscape lovely sports nakanoura beach