Potato Grouper, Epinephelus tukula, Aliwal Shoal, Indian Ocean, South Africa

potato grouper epinephelus tukula south africa aliwal shoal indian ocean grouper groupers epinephelinae serranidae perciformes predator fish fishes reef fish umkomaas kwazulu natal durban africa geography nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld rm horizontal