Today's Catch

Video of Cirrate Octopod aka Dumbo Octopus

This octopod is sometimes called a “Dumbo” octopod because its fins resemble the ears of Disney’s Dumbo the elephant. The video was recorded in 2003 on the Mid-Atlantic Ridge by the Russian manned submersible MIR 2. More about deep ocean exploration...
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...
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...
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...

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...
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...
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...
Offshore Peru, during the Eocene (~56-34 million years ago), showing two archaeocetes (ancient whales): Ocucajea picklingi and Supayacetus muizon.

Eocene Whales and Penguins Off the Coast of Peru

Offshore Peru, during the Eocene (~56-34 million years ago), showing three archaeocetes (ancient whales), along with a previously described fossil penguin. Top to bottom: Perudyptes devriesi , unnamed protocetid, Ocucajea picklingi , and Supayacetus...
A brightly colored parrotfish swims over a field of seagrass.

Parrots of the Sea

Parrotfish like this ‘rainbow parrotfish” ( Scarus guacamaia ) play a critical ecological role in coral reef ecosystems. Herbivores, parrotfish feed on macroalgae that can otherwise smother corals directly or reduce coral growth and fish survival....

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