Photo album: Shark Encounters Close encounters with large sharks are uncommon, but always exciting. Over the years, the cameras of the ROVs on the E/V Nautilus have spied several species of sharks during their explorations. Related Content Blog: As Above So Below: Bird Surveys Document Life Above the Ocean Blog: Seabird Surveys Across the Pacific with SPREP Scientists Blog: Meet Ocean Explorer Erica Jonette Leon Guerrero