Shoal of colourful fish swimming close to the sea bed around coral reef

dead coral reef coral reef corals sea bed marine life scuba diving snorkeling under the sea saltwater fish shoals of fish underwater aquatic sea natural world pacific ocean tropical fish environment pacific fish ocean ecology endangered species sharks pollution ecological conservation ogasawara islands fins endangered wildlife carnivores species water nature beautiful japanese wildlife serene animals peaceful solitude colourful eco friendly chichijima freedom graceful motion life inspiring