Discovery En Espanol premieres "Sirenas," a two-hour special that presents new discoveries that question the relationship between mermaids and human beings.
Once upon a time there was a little mermaid who lived in a castle under the sea. All she wanted was to rise up to the surface and meet a human being. That tale is a pretty story about a legendary creature that appears in the mythology of almost all cultures, but is there any truth to the legend?
"Sirenas," premiering July 22 at 9 p.m. ET/PT on Discovery en Espanol, takes audiences to a world where mermaids are real.
The two-hour special suggests these beings may in fact exist. It is a story about evolutionary possibility grounded in a radical scientific theory -- the aquatic ape theory, which claims that humans had an aquatic stage in our evolutionary past.
Related: Do Mermaids Exist? Animal Planet Thinks So
The theory posits the possibility that coastal flooding millions of years ago turned some of our ancestors inland, but that one group of humanoids may have gone into the ocean instead.
According to the theory, while we evolved into terrestrial humans, our aquatic relatives turned into something strangely similar to the fabled mermaid.
The theory cites some of the striking differences between man and other primates and the many features we share with marine mammals, including webbing between fingers, subcutaneous fat, control over breath and instinctive ability to swim, among other characteristics.
The program suggests that mermaids may have split off from the same genealogical tree as humans and could still exist today.
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