Scuba Diver taking pictures of Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

potato cod giant grouper potato bass grouper cod potato grouper epinephelinae perciformes predator fish reef fish scuba diver diver diving dive sportdiver sportdiving sport watersport activity underwaterphotographer underwatercamera underwater camera photographing takes pictures taking fotos ribbon reef queensland cairns gbr coral sea geography nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld scuba diver taking pictures of potato cod epinephelus tukula cod hole great barrier reef australia horizontal mr:y pr:y rm