Articles for category: Animal Behavior, Marine Biology

whale breach

Why Do Whales Breach?

Andrew Alpin

Our expert-vetted content is grounded in current scientific publications, yet we acknowledge science’s ever-evolving nature. Read our full editorial and disclosure policy. Introduction The air-water interface signifies a major barrier for most organisms. However, despite the difficulty, some creatures manage to temporarily breach this interface for a number of reasons including hunting, escaping predators, regulating body temperatures, and parasite ...

The Odd Case of International Waters and Deep-Sea Mining Rights

The Odd Case of International Waters and Deep-Sea Mining Rights

Annette Uy

Imagine a place on our planet so vast, so mysterious, that it has no owner. Picture a realm teeming with bizarre life forms, where sunlight never shines and the pressure would crush a submarine like a tin can. This is the deep sea—a world that covers nearly half of Earth’s surface, yet belongs to no ...

Jawless fish.

Fish vs. Not-Fish: The Strange Story of Vertebrate Evolution

Trizzy Orozco

Imagine a world where the boundaries between “fish” and “not-fish” blur, where the ancestors of birds and mammals once swam in ancient oceans, and where the line between what we call a fish and every other vertebrate is stranger than you might ever guess. The story of vertebrate evolution is a wild ride through deep ...

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 ...

Bioluminescent Highways: The Glowing World of Ocean Twilight Zones

Bioluminescent Highways: The Glowing World of Ocean Twilight Zones

Annette Uy

Imagine plunging into a world where sunlight barely penetrates, and the darkness is suddenly broken by mysterious flashes of blue, green, and even red light. This is not a scene from a fantasy film, but a nightly spectacle happening deep beneath the ocean’s surface. In the ocean twilight zone, bioluminescent creatures paint glowing highways through ...

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. ...

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 ...

tardigrade

How Coral, Tardigrades, and Fungi Are Teaching Us About Space Life – International Day of Human Space Flight

Trizzy Orozco

In the vast expanse of the universe, the quest for understanding life beyond Earth has always captured human imagination. As we celebrate the International Day of Human Space Flight, it’s fascinating to delve into how seemingly unrelated Earth organisms like coral, tardigrades, and fungi are unraveling the mysteries of space life. Who would have thought ...

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 ...

Teamwork in the Animal Kingdom

Spiders Aren’t Insects—They’re More Closely Related to Horseshoe Crabs

Jan Otte

Imagine wandering through a garden at dusk, brushing past a delicate web glistening with dew, and pausing to watch its silent architect—a spider. Most people would immediately call it an insect, but what if the truth was far stranger? Beneath those eight legs and mysterious eyes lies a secret ancestry, one that connects spiders not ...