We never knew until one of our friends told us.. One rare kind of lobster is the Blue Lobster, around one in two million lobsters is blue. It was discovered that a genetic defect causes a blue lobster to produce an excessive amount of protein. The protein and a red carotenoid molecule known as astaxanthin, combine to form a blue complex known as crustacyanin, giving the lobster its blue color. So some lobster do not only have blue blood, they are indigo blue all over!
B.B.
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