As autumn leaves fall and jack-o’-lanterns glow, there’s no better time to dive into the ocean’s depths and discover the real-life monsters that call the underwater world home. While kids are busy choosing between superhero and princess costumes, the deep sea is hosting its own year-round masquerade ball featuring creatures so incredible, they seem straight out of a Halloween storybook.
Deep beneath the waves, where sunlight never reaches and pressure could crush a submarine, live some of nature’s most fascinating “monsters” – creatures so wonderfully weird that they make the best Halloween costumes look ordinary. Today, we’re embarking on an underwater adventure to meet two of the ocean’s most mysterious residents: the goblin shark and the vampire squid.
The Goblin Shark: Nature’s Ultimate Shape-Shifter
Imagine a shark that can completely transform its face in the blink of an eye. Meet the goblin shark, a living fossil that’s been swimming in our oceans for over 125 million years – that’s longer than dinosaurs roamed the Earth! These incredible creatures are nature’s ultimate Halloween masters of disguise.
What makes goblin sharks truly magical is their amazing jaw mechanism. Most of the time, they cruise through the deep ocean looking like any other shark. But when it’s time to catch dinner, something incredible happens – their jaws shoot forward like a jack-in-the-box, extending nearly as far as their snout is long! In less than a second, they can grab prey and snap their jaws back into place, returning to their normal appearance as if nothing happened.
These “living fossils” aren’t scary monsters at all – they’re actually gentle giants of the deep, growing up to 12 feet long but preferring to munch on squid, fish, and crustaceans rather than anything threatening. Their pink coloration comes from blood vessels visible through their translucent skin, giving them an otherworldly glow in the darkness of the deep sea.
Goblin sharks are like underwater magicians, using their extendable jaws as their greatest trick. They live so deep – sometimes over 4,000 feet below the surface – that seeing one is rarer than spotting a real-life unicorn!

(Kelvin Aitken—WPics/Alamy)
The Vampire Squid: Not Actually a Vampire!
Despite its spooky name, the vampire squid might be the gentlest “monster” in the entire ocean. These fascinating creatures earned their mysterious moniker not because they drink blood (they don’t!), but because of their dramatic dark red coloration and cape-like webbing that connects their arms, making them look like tiny underwater Draculas.
When threatened, vampire squids perform the most amazing magic trick in the ocean – they literally turn themselves inside out! They pull their web over their heads like flipping an umbrella, covering themselves completely and revealing rows of harmless spines that make them look like a spiky ball. It’s the ultimate underwater costume change, transforming from a graceful swimmer into a defensive fortress in seconds.
These remarkable creatures live in the ocean’s “midnight zone,” where it’s permanently dark and cold. But instead of being fearsome predators, vampire squids are actually peaceful scavengers who feast on “marine snow” – tiny particles of food that drift down from the surface like an underwater blizzard. They’re more like underwater janitors than monsters, helping keep the deep ocean clean!
Perhaps most amazingly, vampire squids can create their own light show. They have special organs called photophores that produce bright blue bioluminescent displays, turning them into living constellation maps as they glide through the dark waters.

(© 2004 MBARI)
Real-Life Magic in the Deep
These incredible creatures remind us that the most amazing monsters don’t live in scary stories – they live in our oceans, showcasing nature’s incredible creativity and wonder. The goblin shark’s transforming jaws and the vampire squid’s inside-out magic trick are just two examples of the countless marvels waiting to be discovered in the deep sea.
This Halloween season, as families search for the perfect spooky adventure, remember that the real magic happens beneath the waves. The ocean’s animated world is filled with creatures more incredible than any costume, more mysterious than any haunted house, and more wondrous than any Halloween tale.
Every day, these underwater monsters perform their amazing tricks, transform their appearances, and create light shows that would make any Halloween display jealous. They’re not creatures to fear, but incredible animals to celebrate – living proof that adventure and wonder await in every corner of our planet’s most mysterious frontier.
So this Halloween, when you’re telling spooky stories and celebrating all things mysterious, remember the goblin sharks and vampire squids who are putting on the greatest show on Earth, thousands of feet below the surface, in the amazing animated world beneath the waves.



