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  • Article (8)
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  • (-) Citizens of the Sea (15)
  • Books (5)
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A parrotfish creates a mucus cocoon to protect it from parasites while sleeping.
Photo

Parrotfish in Mucus Cocoon

A parrotfish (Chlorurus sordidus) creates a mucus cocoon to protect it from...
An Isopod Full of Fish Blood
Photo

Isopod Engorged With Blood

Isopods (small, shrimp-like animals) like this one (Gnathia aureusmaculosa) are the...
Photo Spread with lionfish from Citizens of the Sea
Photo

Hostile Takeovers: Photo Spread from Citizens of the Sea

"Hostile Takeovers" spread from Citizens of the Sea by Nancy Knowlton. ...
Photo Spread showing male fish with mouth full of eggs from Citizens of the Sea
Photo

Devoted Dads: Photo Spread from Citizens of the Sea

"Devoted Dads" spread from Citizens of the Sea by Nancy Knowlton. ...
Photo Spread showing a shrimp cleaning a fishes mouth from Citizens of the Sea
Photo

Open Wide: Photo Spread from Citizens of the Sea

"Open Wide" spread from Citizens of the Sea by Nancy Knowlton. ...
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 shark finning.
Article

Where the Shark and the Snapper Roam

The pre-industrial American landscape was once rightly described as a place where...
March 2014
Cover of the Book Citizens of the Sea

Citizens of the Sea

The incredible variety of marine life—in numbers, body form, behavior, and...
July 2010
Cover of the Book Citizens of the Sea
Photo

Citizens of the Sea Cover

The cover of Dr. Nancy Knowlton's new book, Citizens of the Sea, published in...
A screen shot from video "From Despair to Repair" showing a black and white image of a coral reef in 1975.
video

From Despair to Repair

Sit down with two veteran marine scientists, Dr. Nancy Knowlton and Dr. Jeremy...
Tue, 07/01/2014 - 12:59
Photo of the head of a leafy seadragon
Article

Devoted Dads: From Seahorses to Sea Spiders

If youngsters get cared for at all, the mother is usually involved. But in fish and...
June 2011
An adult and juvenile killer whale frolic in the water.
Personal Perspectives

Menopausal Moms: A Mammal Mystery

In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers...
May 2011
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one.
Personal Perspectives

No Fouling Around

Since the dawn of seafaring, humankind has had to deal with the pesky creatures...
December 2010

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  • Ocean Life
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    • Sharks & Rays
    • Reptiles
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    • 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
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    • Invasive Species
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    • Gulf Oil Spill
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