📒 The biodiversity of the Persian Gulf and the Oman Sea is unique: corals, dugongs, birds, sea turtles, oysters, jellyfish, sea star, sea cucumber, anemones, fishes, crabs and many other species even whales and whale sharks live in this marine ecosystem. In this atlas, we show the result of 6 years of labour collecting fish samples and more than 1 year collaborating of scientists from Iran and Spain.