Brine shrimp is an unique animal. It is called Artemia, a class of aquatic crustaceans. First unique trait of brine shrimp is that since the Triassic period, it has changed little externally. This fish possesses the ability to lay eggs which are called cysts which can lie dormant for long periods of time. They are hatched when the conditions in the environment become suitable.
These animals are able to avoid cohabitation with most predators like fish by their ability to survive and thrive in highly saline waters. They are found in the enclosed bodies of saline water like Great Salt Lake where the conditions for other forms of life are quite hostile.
The ability of dormant eggs has led to its use in aquaculture. When required the dormant eggs are activated by creating required conditions and brine shrimps are produced as a feed for fish.
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