A fascinating narrative about “citizen science” and the discovery of the mysterious creature that has been called “the Bigfoot of Octopuses” – perfect for readers of Sy Montgomery and Ed Yong
OCTOPUS X
by Kenna Hughes-Castleberry
Island Books, 2026
(via The Martell Agency)
OCTOPUS X will be an exploration of passionate “citizen science” in the person of diver and artist Arcadio Rodaniche, who, along with his mentor and famed cephalopod behavioralist Martin Moynihan, found a mysterious colony of social octopuses off the coast of Panama. These octopuses were unlike any previously described, as they lived in mated pairs, constantly laid eggs, mated beak-to-beak, and exhibited unique hunting strategies, all of which went against the norm for octopus behavior.
Fascinated by these creatures, Rodaniche studied them at his Smithsonian Tropical Research Institute (STRI) laboratory. He tried to present his findings at a Marine Biological Laboratory (MBL) symposium but was laughed out of the event as few believed his claims about this bizarre octopus (it didn’t help that he didn’t have an academic background in cephalopod research but instead had an electrical engineering degree). Rejected, his paper and findings sat untouched for decades, with only his drawing of the animal accompanying them, adding to the allure of this creature.
Then, some years later, a team of researchers at U.C. Berkeley obtained samples of Rodaniche’s mysterious octopus, and their observations validated everything Rodaniche found. They asked Rodaniche to co-author their paper, and in 2016, they released their findings to the world. Even with this validation, Rodaniche’s story has never been fully told. Unfortunately, Rodaniche died only five months after seeing his work validated.
Currently, this octopus (known commonly as the Larger Pacific Striped Octopus or LPSO) is being genetically analyzed by a separate team from U.C. Berkeley working to classify it as its own species scientifically. If this happens, the lead researcher, Dr. Gul Dolen, plans to name the animal Octopus rodaniche, giving a further victorious ending to Rodaniche’s story. Kenna also plans to highlight ongoing research to study the LPSO in its wild habitat, which has never been done before.
Kenna Hughes-Castleberry is the Science Communicator at JILA (a world-leading physics research institute established by CU Boulder and NIST) and a freelance science journalist. She focuses on animal intelligence, specifically in corvids and cephalopods. Her work has appeared in such publications as National Geographic, Scientific American, New Scientist, and Discover Magazine. She holds several degrees, including undergraduate degrees in English and Biology from Colorado State University and a Master’s degree in Science Communication from Imperial College London.
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