More Mind Control Parasites

According to researchers at the University of Hong Kong, there is a species of barnacle (Rhizocephalan Sacculina) of which the female will invade the body of male and female crustaceans (crabs in particular) in order to distribute their nutrient absorbing, branching root structure, mature and protrude a reproductive organ, mate with a passing male barnacle, and lay their eggs inside the host.

What’s special about this parasite is that they will first make the crab infertile, make them lose interest in mating, and, most interestingly, change the physiology and psychology of the male crabs in order to make them better mothers to the parasite’s egg sacks.

“The life cycle begins with the female cyprid invading the crabs and then developing into a parasite with an internal root system (interna). Once the interna matures, it will develop a reproductive body outside the crabs through the abdominal part called the virgin externa. Male cyprids will then enter the virgin externa, which give rise to a fertilized externa with the eggs brooding inside it. Larvae will then be released via the externa once the eggs became mature.”

Once the eggs emerge from the crab’s abdomen, it will nurture them to maturity the same way it would it’s own brood.

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  • A Fraction of the Whole

    Steve Toltz
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