Movies like A Small Hydromedusan: Polyorchis Haplus (1970)
The best movies like A Small Hydromedusan: Polyorchis Haplus (1970) are Deep Sea 3D (2006), Deep Blue (2003) and Puff: Wonders of the Reef (2021). If A Small Hydromedusan: Polyorchis Haplus hooked you, these 20 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedMy Octopus Teacher (2020)7.9/10 from 1,114 votes
- NewestShark Whisperer (2025)Released 2025
Deep Sea 3D (2006)
Sea life in a whole new way. Deep Sea 3D, an underwater adventure from the filmmakers behind the successful IMAX® 3D film Into the Deep, transports audiences deep below the ocean surface. Through the magic of IMAX®; and IMAX 3D, moviegoers will swim with some of the planets most unique, dangerous and colorful creatures, and understand this inspiring underworld.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisDeep Blue (2003)
Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinematic rollercoaster ride for all ages, Deep Blue uses amazing footage to tell us the story of our oceans and the life they support.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisPuff: Wonders of the Reef (2021)
A baby pufferfish travels through a wondrous microworld full of fantastical creatures as he searches for a home on the Great Barrier Reef.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisAliens of the Deep (2005)
James Cameron teams up with NASA scientists to explore the Mid-Ocean Ridge, a submerged chain of mountains that band the Earth and are home to some of the planet's most unique life forms.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisSweetheart (2019)
Jenn has washed ashore a small tropical island and it doesn’t take her long to realize she’s completely alone. She must spend her days not only surviving the elements, but must also fend off the malevolent force that comes out each night.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisShark Whisperer (2025)
Marine conservationist and social media activist Ocean Ramsey fearlessly swims with sharks in this documentary about her risky mission to protect them.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisOcean with David Attenborough (2025)
David Attenborough takes viewers on a breathtaking journey showing there is nowhere more vital for our survival, more full of life, wonder, or surprise, than the ocean. Through spectacular sequences featuring coral reefs, kelp forests and the open ocean, Attenborough shares why a healthy ocean keeps the entire planet stable and flourishing.
Why it matches: Recommended by TMDB viewers
Absolute CinemaMovies like thisSteve McQueen: The Man & Le Mans (2015)
Steve McQueen: The Man & Le Mans interweaves stunning newly discovered footage and voice recordings with original interviews. It is the true story of how a cinema legend would risk almost everything in pursuit of his dream.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisCasting By (2012)
This essential new documentary pays tribute to the legacy of the late, legendary casting director Marion Dougherty and shines a light on one of the most overlooked and least understood crafts in filmmaking.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisIt! The Terror from Beyond Space (1958)
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like thisMy Octopus Teacher (2020)
After years of swimming every day in the freezing ocean at the tip of Africa, Craig Foster meets an unlikely teacher: a young octopus who displays remarkable curiosity. Visiting her den and tracking her movements for months on end he eventually wins the animal’s trust and they develop a never-before-seen bond between human and wild animal.
Why it matches: Recommended by TMDB viewers
Absolute CinemaMovies like thisUnderwater (2020)
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisDeepsea Challenge 3D (2014)
Described as being a film about determination, danger and the ocean’s greatest depths, James Cameron's "Deepsea Challenge 3D" tells the story of Cameron’s journey to fulfill his boyhood dream of becoming an explorer. The movie offers a unique insight into Cameron's world as he makes that dream reality – and makes history – by becoming the first person to travel solo to the deepest point on the planet.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe King's Daughter (2022)
King Louis XIV's quest for immortality leads him to capture and steal a mermaid's life force, a move that is further complicated by his illegitimate daughter's discovery of the creature.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Scarlet Pimpernel (1982)
During the French Revolution, a mysterious English nobleman known only as The Scarlet Pimpernel (a humble wayside flower), snatches French aristos from the jaws of the guillotine, while posing as the foppish Sir Percy Blakeney in society. Percy falls for and marries the beautiful actress Marguerite St. Just, but she is involved with Chauvelin and Robespierre, and Percy's marriage to her may endanger the Pimpernel's plans to save the little Dauphin
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisChasing Coral (2017)
Coral reefs are the nursery for all life in the oceans, a remarkable ecosystem that sustains us. Yet with carbon emissions warming the seas, a phenomenon called "coral bleaching" -- a sign of mass coral death -- has been accelerating around the world, and the public has no idea of the scale or implication of the catastrophe silently raging underwater.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisSea Fever (2020)
The crew of a West of Ireland trawler—marooned at sea—struggle for their lives against a growing parasite in their water supply.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisOceans (2010)
An ecological drama/documentary, filmed throughout the globe. Part thriller, part meditation on the vanishing wonders of the sub-aquatic world.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisAs I Was Moving Ahead Occasionally I Saw Brief Glimpses of Beauty (2000)
A compilation of over 30 years of private home movie footage shot by Lithuanian-American avant-garde director Jonas Mekas, assembled by Mekas "purely by chance", without concern for chronological order.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisEarth (2007)
An epic story of adventure, starring some of the most magnificent and courageous creatures alive, awaits you in EARTH. Disneynature brings you a remarkable story of three animal families on a journey across our planet – polar bears, elephants and humpback whales.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like this
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Frequently asked questions
What are the best movies like A Small Hydromedusan: Polyorchis Haplus?
The closest matches to A Small Hydromedusan: Polyorchis Haplus are Deep Sea 3D (2006), Deep Blue (2003) and Puff: Wonders of the Reef (2021). Below are 17 more, each with the reason it matches.
What should I watch after A Small Hydromedusan: Polyorchis Haplus?
Start with Deep Sea 3D (2006), the closest match to A Small Hydromedusan: Polyorchis Haplus.
What is the highest-rated movie like A Small Hydromedusan: Polyorchis Haplus?
My Octopus Teacher (2020), rated 7.9/10 by 1,114 TMDB users.
What is the newest movie like A Small Hydromedusan: Polyorchis Haplus?
Shark Whisperer (2025) is the most recent release on this list.
Are there English movies like A Small Hydromedusan: Polyorchis Haplus?
Yes: Deep Sea 3D (2006), Deep Blue (2003) and Puff: Wonders of the Reef (2021).
How are movies similar to A Small Hydromedusan: Polyorchis Haplus chosen?
First come films that Trakt’s viewers watch alongside A Small Hydromedusan: Polyorchis Haplus, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.