Crassostrea Gigas. The classic 'rock oyster.' Originally from Japan and Korea now farmed all over the world due it's high meat content, rapid growth and fortitude.
Humans eat the pacific oyster.
The scientific or taxonomic name would be Crassostrea gigas.
though there's not an exact time, they started noicing the effects about 4 years ago, so... 4 years!
Oysters eat planton,algae and any small particle they can suck in.we eat oysters and i think otters do too.
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