From ‘The Little Mermaid by Hans Christian Andersen & Yayoi Kusama: A Fairy Tale of Infinity and Love Forever,’ published by the Louisiana Museum of Modern Art in Denmark (all photos courtesy ...

Mermaid Kat, a professional mermaid, swimming with a whale shark as part of an anti-finning campaign in the Bahamas. Photograph: Ian Gray Professional mermaids risk hypothermia, seasickness and the ...