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The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. The feather-like structures on its head were used to rake plankton from the sea.
Photo

The First Filter Feeder

Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...
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...
A species of sea cucumber from the Arctic discovered by Census of Marine Life researchers.
Photo

Arctic Sea Cucumber

This species of deep-water sea cucumber (Elpidia belyaevi) was discovered by Census...
The robotic arm of the ROV Quest finds life at an undersea vent.
Photo

Studying Hydrothermal Vent Life

Census researchers manipulate the robotic arm of the remotely operated vehicle...
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  • Ocean Life
    • Marine Mammals
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    • Plankton
    • Plants & Algae
    • Microbes
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    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
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    • The Seafloor
    • Temperature & Chemistry
  • Through Time
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    • Gulf Oil Spill
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