 A cult called the Esoteric Order of Dragon was founded to foster amicable relations with the fishy-looking Cthulhu mythos Deep Ones, briefly reviving the fishing trade through regular sacrificial rituals until depopulation through a mysterious plague, followed by crossbreeding with the Deep Ones, resulting in a whole lot of genetic weirdness, after which the entire population of Innsmouth is rounded up by the US Treasury Department, shipped off to a concentration camp,