Sacculina carcini

“Packed full of parasite, the crab will forgo its own needs to serve those of its master. It won’t molt, grow reproductive organs, or attempt to reproduce. It won’t even regrow appendages, as healthy crabs can. Rather than waste the nutrients on itself, a host crab will hobble along and continue to look for food with which to feed its parasite master.” Chris Connolly, on the jelly-like parasite known as Sacculina carcini

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