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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...
An Illustration of small tentacled fossils.
Photo

Ancient Entoproct Community

For a long time, scientists thought that some small tentacled fossils were early...
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...
Illustration of a four-legged proto-whale with webbed feet.
Photo

Early Whale with Webbed Feet

This early whale was well suited to life at sea. But it also may have spent time on...
An illustration of multispecies communities of dugongs from India, Mexico and Florida
Photo

Multispecies Communities of Seacows

Sirenians, or seacows, are a group of marine mammals that include manatees and...
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  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
    • Reptiles
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    • 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
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