In cryptid AU, is the fish world relatively similar to human world? Do summer or Morty ever wish they were human Cuz it seems fun and have a Little Mermaid-esque adventure?
Culturally the cryptids and humans share some basic similarities but are pretty different from each other. The kids hang out on land plenty in their breathing helmets with their human side of the family. Although prior to meeting the Pines, their only real interaction with humans was the occasional trip to the Citadel. As for wishing they were human? Nah, not really. They think their human family should grow some gills and come visit Atlantis though.