>>5028073
Can't deny that the parasitic crustaceans are super cool. BUT! I can assure you that there's an even cooler parasitic one...
>Sacullina car initially
One of the most "alien" parasites i know. This parasite enters the body of crabs and starts doing some horrible changes like castration and slowly changing its body towards and incubator more alike for the parasite since the female is parasitic and the male is freeswimming... later this parasite ends up fucking with the mind of the crab until it makes it "female" and the male parasite get "her" pregnant. Later down the "female" crab starts generating an amorphous eggsac of the parasite that tends and cares for until it's done...
>TLDR: In male crabs it hijacks the reproductive system and makes them pregnant with the parasite eggs
