Today's Catch

Beautiful crab water colors

Trapezia Crabs Watercolors

These watercolor sketches of Trapezia crabs were drawn by Frederick Bayer, a former Smithsonian coral biologist, in 1947. Trapezia crabs live on and within corals, feeding on their tissue and mucus, and protect them from predators such as crown-of-...

The Ocean We Love

As we celebrate Earth Day, we can’t overlook the largest and wettest part of our planet – the ocean! Vast and awe-inspiring, the ocean is where life began billions of years ago and continues to be an important part of our everyday lives. As you...
A whale size comparison chart

What is the Largest Whale? A Cetacea Size Comparison Chart.

How do right whales size up? North Atlantic right whales ( Eubalaena glacialis ) are big, but they're not the biggest whales. That distinction goes to the blue whale ( Balaenoptera musculus ), the largest animal on Earth. The orca's size of up to 31...
Algae or "seaweeds" (left) differ from seagrasses (right) in several ways.

Algae vs Seagrass

Algae or "seaweeds" (left) differ from seagrasses (right) in several ways. Algae on the seafloor have a holdfast and transport nutrients through the body by diffusion, while seagrasses are flowering vascular plants with roots and an internal...
Hammerhead Shark, Cocos Island, Costa Rica

Hammerhead Shark, Cocos Island, Costa Rica

“This shark was cruising low along the reef known as Alcyone. Her left eye was glancing up toward other hammerheads when I took this shot from below.” -- Nature's Best photographer, Alan Studley. See more beautiful ocean photos in our slideshow of...

How a Microscopic Team Alters the Course of Carbon in the Atlantic Ocean

The Amazon river is the largest river in the world. It drains the entire Amazon rainforest, sending leftover nutrients, detritus, and minerals from the South American jungle out into the tropical Atlantic Ocean. This runoff forms a freshwater plume...
A Turtle Excluder Device (TED) enables a loggerhead turtle to escape from a net.

Loggerhead Escapes from Fishing Net

One of the biggest threats to sea turtles, such as the loggerhead turtle ( Caretta caretta ) pictured here, is being accidentally caught and killed in fishing nets. Trapped in a net, the turtles are dragged through the water with no access to the...
The Charles W. Morgan tallship

Charles W. Morgan

The Charles W. Morgan sailing en route to Newport on June 15, 2104. Built in 1841, the Charles W. Morgan sailed on 37 voyages to remote corners of the globe during her 80-year whaling career. The Morgan departed in spring 2014 on her historic 38th...

Song of the Spindle

Illustrator Drew Christie created this light-hearted short film about how humans could really learn something from whales. Check it out and learn about all the different cetaceans and our commonalities, such as a shared love for vacations in Hawaii...
The long barbel on the chin of this dragonfish has a glowing tip that may attract prey.

Scaly Dragonfish

The long barbel on the chin of this dragonfish ( Stomias boa ) has a glowing tip that may attract prey. With its large mouth and sharp, curved teeth, the fish makes quick work of any prey that venture too close. Scaly dragonfish live at depths of...

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