Guillermo Del Toro’s Shape of Water winning Best Picture at the Academy Awards is historic for a number of reasons: it’s one of the few horror films to win Best Picture, and it’s Del Toro’s first Oscar.

It’s also probably one of the only Oscar-nominated films to include a sex scene between a human being and a sea creature.

The underwater sex scene inspired a slew of memes about the mechanics of an interspecies romance with marine life. Someone even made a Shape of Water dildo, so fans can have their very own model of the fish-man’s junk.

Del Toro isn’t the first person to imagine an aquatic pairing with a human. Here are a few of history’s fictional and real instances of romances with fish and sea creatures.

This aquatic love story, much like Shape of Water, also takes place in a lab.

In the 1960’s, neuroscientist John Lilly …