Predation

Killer Whale: Orca

Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its...

Visit the Line Islands with Reef Ecologist Dr. Stuart Sandin

A number of questions have inspired marine ecologist Stuart Sandin to head to the coral reefs of the Line Islands . Sandin works at the Scripps Institution of Oceanography at the University of California,...
A frame-by-frame view of a Great White Shark breach.

Photo Sequence of Great White Shark Hunting

Great white sharks are athletic hunters, leaping completely out of the water as they attack prey from below. They have six highly refined senses : smell, hearing, touch, taste, sight, and electromagnetism. These senses,...
great white shark swims through the ocean

Great White Shark: One Species at a Time

In this episode of the Podcast of Life , students from Martha's Vineyard Regional High School in Massachusetts and La Salle Academy in Rhode Island question shark researcher Greg Skomal about a charismatic predator...
a marine iguana, Amblyrhynchus cristatus

Marine Iguanas: One Species at a Time

No iguana wants to be cooked alive on a hot rock and then served up as dinner for a Galapagos hawk. But it turns out the marine iguanas ( Amblyrhynchus cristatus ) have a...
The dwarf lantern shark sits in a human hand.

5 Reasons to Revere, Not Fear, the Shark

Photo Credit: NOAA A healthy coral reef has an abundance of small sharks that help keep the ecosystem in balance. But once people move into the area, they disappear —from fishing, loss of food...
A light painted image of a hand-painted ceramic fish with light emitting from its mouth

Using Light Painting to Teach Bioluminescence

Watch this short video tutorial to learn how to do light painting. Painting with light is a photographic technique that can be used in the classroom to help students understand bioluminescence. What does a...

How Coastal Seagrass Feeds the Deep

Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat. Credit: Heather Dine, Florida Keys National Marine Sanctuary It is a well-known fact that for animals living...

Where the Shark and the Snapper Roam

Grey reef sharks are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened by wasteful fishing practices like...
A Greenland shark photographed in the St. Lawrence Estuary, near Baie-Comeau, Quebec

Greenland Shark: One Species at a Time

Scientists know the Greenland shark ( Somniosus microcephalus ) moves slowly in the Arctic's cold water. They also know that parasites attack the shark's eyes. But much about this animal remains a mystery. Marine...

Beyond the Sea: How Oil Spills in the Ocean Affect Birds On Land

With their brown and yellow markings, seaside sparrows ( Ammodramus maritimus ) blend in well with marshgrass. Credit: Philip Stouffer, Louisiana State University In marshlands along the coast of the Gulf of Mexico, it's...

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

Neptune grass ( Posidonia oceanica ) is a slow-growing and long-lived seagrass native to the Mediterranean. Credit: Gaynor Rosier/Marine Photobank Slip into the water along a sheltered coast in nearly any part of the...

Why the Littlest Fish Matter a Whole Lot

A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines. Credit: Erwin Poliakoff Top predators along the California coast are having a rough year. Recently starving sea lions have showed...

Spirals in Time: A Walk at the Seashore

When I set out to write a book about mollusks (called Spirals in Time ), I wasn't quite prepared for just how many animals I would get to know. There are somewhere between 100,000...

Lionfish on the Loose

The majestic and highly predatory red lionfish ( Pterois volitans ) , native to the Indo-Pacific, is invading Atlantic waters. The lionfish is a popular home aquarium species, and some were most likely dumped...
Sea otters floating on the surface of the ocean.

Not Just Another Fuzzy Face

A raft of sea otters grooming and resting after foraging. Credit: © Elise Newman Montanino Who hasn’t grinned at the sight of a sea otter floating on its back while grooming itself? No doubt...

Life After Whale (On Whale Falls)

When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...

Jellyfish predate dinosaurs. How have they survived so long?

Gelatinous drifters that move in a mesmerizing way, jellyfish are beautiful creatures. But take a closer look and you'll see there's more to these creatures than a pretty picture. Some shoot a deadly venom,...