School of bonefish swimming over seagrass bed in clear blue water

underwater bonefish school of fish swimming seagrass clear water marine life ocean aquatic nature fish group blue water seabed aquatic plants fish habitat ecosystem marine biology ocean life underwater world shoal tropical environment shallow water coastal marine environment aquatic ecosystem sea habitat schooling marine water biodiversity undersea plants fish school underwater scene coral reef seafloor species underwater video behavior ocean ecosystem clear seagrass bed wildlife