Shark thought to be a tope with a zebra fish in attendance passes a large ball of blue jack mackerel (Trachurus picturatus) mid ocean, Azores, Portugal, Atlantic, Europe

travel destination photography color image horizontal day outdoors nature natural world animals mammals marine life underwater fish fishes mackerel blue jack blue jack mackerel defence defensive shoals schooling shark sharks tope zebra fish trachurus picturatus azores seas sea ocean oceans atlantic atlantic ocean portugal europe close up close ups