Articles for category: 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 ...

Deep-Sea Vents

How Deep-Sea Tubeworms Live With No Mouth, No Gut—and No Light

Trizzy Orozco

Imagine a world where the sun never shines, where temperatures plummet and crushing pressures would flatten most creatures in seconds. Yet, in the shadowy depths of Earth’s oceans, bizarre life flourishes in ways that seem almost impossible. Perhaps the most astonishing among these are deep-sea tubeworms—creatures that thrive without a mouth, a gut, or even ...

Sharks and Rays? Closer Than They Look—but Not to Bony Fish

Sharks and Rays? Closer Than They Look—but Not to Bony Fish

Annette Uy

Imagine swimming in the deep blue, shadows gliding effortlessly beneath you—sleek, powerful, and mysterious. The ocean’s most iconic predators, sharks and rays, captivate our imagination with their otherworldly shapes and silent grace. But what if the real surprise lies not in their ferocity, but in their secret family ties? While many might lump all fish ...

Assorted diatoms as seen through a microscope. These specimens were living between crystals of annual sea ice in McMurdo Sound, Antarctica.

The Largest DNA Study in the Ocean

The ocean, covering more than 70% of the Earth’s surface, is home to an astonishing diversity of life, much of which remains mysterious and unexplored. In a groundbreaking effort to uncover the secrets of marine life, scientists have conducted the largest DNA study of the ocean to date. This monumental research effort has expanded our ...

The Surprising Truth About Goldfish Memory (It's Not 3 Seconds!)

The Surprising Truth About Goldfish Memory (It’s Not 3 Seconds!)

Trizzy Orozco

Imagine gazing into the glittering water of a home aquarium, watching goldfish dart and swirl, their orange scales catching the light. For years, people have chuckled at the idea that these captivating creatures forget everything in just three seconds. But what if this widespread belief was shockingly wrong? What if, hidden behind those curious eyes, ...