Articles for category: Animal Behavior, Human–Animal Dynamics, Marine Biology

Navy personnel undergoing sonar technology training.

Why Military Sonar Was Once Baffled by a Layer of Fish

Trizzy Orozco

Imagine a silent world beneath the ocean, where darkness stretches for miles and the only clues about what lurks below come from mysterious echoes. Now picture the confusion when state-of-the-art military sonar, designed to detect enemy submarines, stumbles upon a massive, impenetrable layer that seems to move with the tides. The culprit? Not a new ...

The Crabs That Carry Their Homes—And Sometimes Decorate Them

The Crabs That Carry Their Homes—And Sometimes Decorate Them

Annette Uy

Imagine wandering through a tide pool, your eyes tracing the mysterious shapes hidden in the sand and seaweed. Suddenly, a shell moves—not with the gentle push of a wave, but with purposeful intent. It’s not a shell at all, but a crab carrying its home on its back, sometimes flaunting a flamboyant collection of decorations. ...

A breathtaking view of the ocean at sunset, with dramatic clouds and sunrays breaking through, creating a serene seascape.

The Ocean’s Oxygen Minimum Zones and the Life That Thrives There

Maria Faith Saligumba

Imagine a place deep in the ocean where oxygen is so scarce that most life forms would struggle to survive. Yet, in these seemingly inhospitable areas, known as Oxygen Minimum Zones (OMZs), life not only exists but thrives in a fascinating array of adaptations. This paradoxical world beneath the waves is a testament to nature’s ...

The Undersea Landslide That Once Rocked the New Zealand Coast

The Undersea Landslide That Once Rocked the New Zealand Coast

Annette Uy

Imagine waking up to the news that an entire underwater landscape has shifted, altering the seafloor and potentially changing the coastal geography of a nation. This was the reality for New Zealanders when an undersea landslide dramatically impacted their coast. Such events, though hidden from the naked eye, have profound effects on marine life, coastal ...

Chinese robotic whale shark

China Creates World’s First Intelligent Robotic Whale Shark

Andrew Alpin

In a groundbreaking achievement, Chinese engineers using space technology have created a 5-meter intelligent robotic whale shark. A significant contribution to evolving marine technology, the robot shark can replicate the movements of a real shark with incredible precision. It can float, swim, dive and even make mouth movements just like a real one. While the ...

Adaptations of Fish in OMZs

The Deep Scattering Layer: When Fish Mimic the Seafloor

Trizzy Orozco

Imagine a world beneath the waves where dawn and dusk trigger a mass migration so vast, it can be seen by ships’ sonar as a ghostly, moving false bottom. Welcome to the deep scattering layer—a mysterious, shifting band in the ocean where fish and other creatures gather in such numbers that they seem to mimic ...

21 Things Found in the Ocean That Shouldn't Exist According to Science

21 Things Found in the Ocean That Shouldn’t Exist According to Science

Kristina

If you think you know how the ocean works, the reality lurking beneath the waves will happily prove you wrong. For more than a century, scientists have mapped, sampled, and modeled the seas, only to keep stumbling on things that seem to break the rules: bizarre animals that should not survive under crushing pressure, mysterious ...

Horseshoe Crabs Aren’t Crabs—They’re Living Fossils From Another Era

Horseshoe Crabs Aren’t Crabs—They’re Living Fossils From Another Era

Annette Uy

Something ancient still walks the world’s shorelines—creatures with armored shells and spiky tails that seem plucked from the pages of a prehistoric epic. Horseshoe crabs, with their alien appearance and mysterious blue blood, are not the crabs they’re named for, nor are they relics to be ignored. These magnificent survivors date back hundreds of millions ...