Back view of Whale shark tail fin as it sways swimming in slow motion into deep blue water

back whale shark tail fin sways swimming slow motion deep blue water whale shark swims world heritage site reflection underwater flickering open ocean sun ray ningaloo reef rhincodon typus spotted tropical pale grey dorsal fin pectoral fin graceful shallow water peaceful giant exotic huge tourism exmouth australia sparkle shimmer fauna creature tour wild endangered mammal float extant rhinocodon tropical ocean harmless speckled