Una Gran Congregación De Una Especie Protegida De Tiburones Nodriza Grises Reunida En Un Parque Marino De La Costa De Australia

snorkeling underwater underwater video underwater cameraman underwater footage great barrier reef blue water tropical destination tropics animal protected species marine biology marine conservation global warming coral coral bleaching travel destination tourist animal encounter fish recreation scuba tank scuba equipment pacific nature wildlife water activity ecosystem fish feeding fish food primary industries feeding frenzy scuba diver adventure tourism explore night diving light beam scuba diving club scuba dive shop holiday excitement snorkelling endangered grey nurse shark carcharias taurus sand tiger shark ragged tooth shark critically congregating marine park