Great Australian Bight

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The Great Australian Bight is a large oceanic bight (open gulf) off the central and western portions of the southern coastline of mainland Australia. There are two definitions for its extent—one by the International Hydrographic Organization (IHO) and another by the Australian Hydrographic Service (AHS). The bight is generally considered part of the Indian Ocean, although the AHS classifies it as part of the Southern Ocean. Its coastline is characterized by cliff faces and rocky capes, making it an ideal location for whale-watching. This oceanic feature was encountered by European explorers in 1627, and was later accurately charted by English navigator Matthew Flinders in 1802. The Great Australian Bight came into existence about 50 million years ago when the supercontinent Gondwana broke apart, separating Antarctica from Australia. The Bight's waters are highly biodiverse, especially in zooplankton, due to specific ocean currents. However, more research is needed to fully understand the...

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