Fauna of Pakistan up from the Arabian Sea to spawn in freshwater. Species that are important to people as food, such as the golden mahseer and large freshwater shrimp ("Macrobrachium" species), are part of the abundant aquatic life. Along the shores of Astola and Ormara beaches of Balochistan and Hawk'e Bay and Sandspit beaches of Sindh are nesting sites for five endangered species of sea turtles: green sea, loggerhead, hawksbill, olive ridley and leatherback. Sea snakes such as yellow-bellied sea snake are also found in the pelagic zone of the sea. The wetlands of Pakistan are also a home to the endangered species
Loggerhead Key done to provide the monkeys a place to breed, to supply the animals for medical research laboratory experiments. Around 1,322 of the monkeys existed on the island between 1987–1990. The Dry Tortugas Light is a lighthouse located on Loggerhead Key. It began operations in 1858 and was decommissioned in 2014. The Carnegie Marine Biological Laboratory, also referred to as the Tortugas Laboratory, was a marine biology laboratory and research facility constructed on the northern end of Loggerhead Key that operated from 1904 to 1939. It was constructed and operated by the Carnegie Institution of Washington. The Carnegie Marine Biological Laboratory