Skip to main content
Smithsonian Institution
Language Search Smithsonian Ocean
Follow us on Facebook Follow us on Twitter Follow us on Flickr Follow us on Tumbr
Donate

Smithsonian Ocean

Main Menu

  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
    • Reptiles
    • Seabirds
    • Fish
    • Invertebrates
    • Plankton
    • Plants & Algae
    • Microbes
  • Ecosystems
    • Coral Reefs
    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
  • Planet Ocean
    • Tides & Currents
    • Waves, Storms & Tsunamis
    • The Seafloor
    • Temperature & Chemistry
  • Through Time
    • Ancient Seas
    • Extinctions
    • Evolution
    • The Anthropocene
  • Conservation
    • Fishing
    • Pollution
    • Habitat Destruction
    • Invasive Species
    • Acidification
    • Climate Change
    • Gulf Oil Spill
    • Solutions & Success Stories
    • Get Involved
  • Human Connections
    • Books, Film & The Arts
    • Recreation
    • Seafood
    • Exploration
    • History & Cultures
    • Careers
  • At The Museum
  • Educators
Menu
Search

Search

Showing results for "All"
Filter

Content type

  • Photo (5)
  • Article (4)
  • Slideshow (2)
  • Video (1)

Article Type

  • Article (3)
  • Personal Perspectives (1)

Topics

  • Acidification (2)
  • Ancient Seas (7)
  • Animal Behavior (3)
  • At The Museum (16)
  • Books, Film & The Arts (25)
  • Careers (13)
  • Census of Marine Life (2)
  • Climate Change (10)
  • Coasts & Shallow Water (9)
  • Conservation (1)
  • Coral Reefs (28)
  • Deep Sea (33)
  • Evolution (3)
  • Exploration (71)
  • Extinctions (1)
  • Fish (21)
  • Fishing (13)
  • Food Web (4)
  • Genetics (4)
  • Get Involved (4)
  • Gulf Oil Spill (4)
  • Habitat Destruction (4)
  • History & Cultures (10)
  • Human Connections (2)
  • Ice (2)
  • Invasive Species (1)
  • Invertebrates (37)
  • Mangroves (2)
  • Marine Mammals (4)
  • Microbes (18)
  • Ocean Life (13)
  • Planet Ocean (2)
  • Plankton (20)
  • Poles (6)
  • Pollution (15)
  • Reptiles (2)
  • Seafood (1)
  • Sharks & Rays (2)
  • Shifting Baselines (3)
  • Solutions & Success Stories (24)
  • Technology (60)
  • Temperature & Chemistry (4)
  • The Anthropocene (5)
  • The Seafloor (10)
  • Tides & Currents (4)
  • Waves, Storms & Tsunamis (1)
  • (-) Beaches (4)
  • (-) Plants & Algae (8)

Tags

  • Adaptations (7)
  • Algae (29)
  • Algae blooms (11)
  • Beaches (15)
  • Biodiversity (8)
  • Camouflage (2)
  • Climate Change (2)
  • Communication (2)
  • Competition (2)
  • Coral bleaching (2)
  • Corals (8)
  • Crabs, Shrimp & Relatives (9)
  • Currents (2)
  • Defenses (4)
  • DNA barcoding (2)
  • Endangered species (3)
  • Feeding (4)
  • Fisheries (4)
  • Fossils (2)
  • Geology (3)
  • Mangroves (10)
  • Migration (2)
  • Mussels, Oysters & Relatives (3)
  • National Museum of Natural History (3)
  • NOAA (3)
  • Ocean Optimism (7)
  • Ocean Trash (2)
  • Photography (5)
  • Phytoplankton (5)
  • Predation (4)
  • Reproduction (7)
  • Restoring Habitats (6)
  • Runoff (4)
  • Scientists at work (7)
  • Seagrass (10)
  • Seals & Sea Lions (2)
  • Sea turtles (2)
  • Seaweed (10)
  • Smithsonian Environmental Research Center (4)
  • Smithsonian exhibits (4)
  • Smithsonian scientists (17)
  • Smithsonian Tropical Research Institute (5)
  • Snails & Slugs (3)
  • Technology (2)
  • Tourism (3)
  • Waves (3)
  • Wetlands (3)
  • Whales (2)
  • (-) Protecting Spaces (3)
  • (-) Under the microscope (8)
  • Sort By Relevance
  • A-Z
  • Z-A
  • Newest
  • Oldest
Microscopic beach dweller in the sand.
video

Organisms Beneath the Sand

What’s lurking beneath your beach blanket? Even when a beach looks empty, the...
Wed, 06/07/2017 - 15:48
The Peninsula Valdes in Argentina was inscribed on the World Heritage List in 1999. The site is home to important breeding populations of the endangered southern right whale (Eubalaena australis), southern elephant seal (Mirounga leonina), and southern sea
slideshow

Marine World Heritage Photo Gallery

Marine World Heritage is a prestigious list of 43 marine ecosystems and...
Tue, 11/09/2010 - 11:54
Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
slideshow

Zooxanthellae and Coral Bleaching

Tiny plant-like organisms called zooxanthellae live in the tissues of many animals,...
Thu, 12/03/2009 - 12:14
Mangrove Salt Glands
Photo

How Mangroves Deal with Saltwater

Looking at a white mangrove (Avicennia marina) leaf cross-section under the...
Red Algae
Photo

Branching Red Algae

Under the microscope, you can peer inside the cells of this filamentous red algae....
A spiraled diatom with spines.
Photo

A Diatom Helix

This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
Unlike the green, leafy algae we're used to seeing, coralline algae has a hard crust—which you can see here at the molecular level under a scanning electron microscope.
Photo

Coralline Algae Under the Microscope

Unlike the green, leafy algae we're used to seeing on the seafloor, coralline algae...
Coral Sand
Photo

Coral Sand Under a Microscope

Coral sand is aptly named: it's sand made up of tiny bits of coral and other ocean...
Neptune grass (Posidonia oceanica) is a slow-growing and long-lived seagrass native to the Mediterranean.
Article

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

Slip into the water along a sheltered coast in nearly any part of the world and...
May 2015
Convict surgeonfish are the roaming sheep of the reef but, instead of noshing on grass, they feed on algae.
Personal Perspectives

Helpful Herbivores

When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West...
June 2013
Fish swimming in waters of Bay Islands, Honduras
Article

Improving Grades for the Mesoamerican Reef

Report cards are useful in school because they help students and teachers keep...
March 2018
10 grains of star shaped sand collected from southern Japan
Article

The Sant Ocean Hall: Life in the Sand Exhibit

Soft sand, gentle waves, colorful beach glass, seaweed, and scattered shells. It...
September 2011

Smithsonian Institution

Smithsonian Ocean
Follow us on Facebook Follow us on Twitter Follow us on Flickr Follow us on Tumbr
Contact Us

Explore

  • Ocean Life
  • Ecosystems
  • Planet Ocean
  • Through Time
  • Conservation
  • Human Connections
  • At The Museum
  • About
  • Media Archive
  • Terms of Use
  • Privacy

Smithsonian National Museum of Natural History

Donate
  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
    • Reptiles
    • Seabirds
    • Fish
    • Invertebrates
    • Plankton
    • Plants & Algae
    • Microbes
  • Ecosystems
    • Coral Reefs
    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
  • Planet Ocean
    • Tides & Currents
    • Waves, Storms & Tsunamis
    • The Seafloor
    • Temperature & Chemistry
  • Through Time
    • Ancient Seas
    • Extinctions
    • Evolution
    • The Anthropocene
  • Conservation
    • Fishing
    • Pollution
    • Habitat Destruction
    • Invasive Species
    • Acidification
    • Climate Change
    • Gulf Oil Spill
    • Solutions & Success Stories
    • Get Involved
  • Human Connections
    • Books, Film & The Arts
    • Recreation
    • Seafood
    • Exploration
    • History & Cultures
    • Careers
  • At The Museum
  • Educators

Search Smithsonian Ocean