There are a number of bacteria that DO survive in harsh environments be it pH or temperature extremes or an environment that is very salty. Bacteria that don't survive in hars â¦ h conditions usually lose cell wall integrity and break apart, or lose all their intercellular fluid and shrivel up.
Akoya Pearls are the Classic Pearl Variety. The akoya pearl is a saltwater cultured pearl from the akoya oyster (Pinctada fucata martensii). Because akoya are the most abundant type of saltwater pearl with the longest cultured history, information on akoyas is abundant!
South Sea pearls are saltwater pearls cultivated from the oyster, found in the South Seas centering on Northern Australia and South-East Asia, including Myanmar and Indonesia. They produce 10-20 mm pearls of silver or gold color, the largest of any cultured pearl.