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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
slideshow

Endangered Ocean Animals

The Endangered Species Act (ESA) was signed into law on December 28, 1973 by...
Mon, 12/02/2013 - 14:00
Seagrasses don't just provide shelter for free-swimming animals, but also are a habitat for non-moving organisms, such as these sea anemones.
Photo

Anemone on Seagrass Blade

Seagrasses don't just provide shelter for free-swimming animals, but also are a...
An Australian Giant Cuttlefish (Sepia apama) crosses a seagrass bed.
Photo

Cuttlefish in Seagrass Bed

Squids, octopuses and cuttlefish, such as this Australian Giant Cuttlefish (Sepia...
A juvenile swimming crab sits on a bed of sargassum seaweed.
Photo

Adult Swimming Crab

When they get larger, Portunus sayi are formidable predators, quick to consume any...
Winner of the ‘best camoflauge’ contest, the nudibranch Scyllaea pelagica is betrayed only by motion.
Photo

Seaslug Camouflages in Seaweed

Winner of the ‘best camouflage’ contest, the nudibranch Scyllaea pelagica...
Brown grass shrimp on a floating piece of seaweed.
Photo

Brown Grass Shrimp

Another common species of sargassum shrimp, Leander...
This shrimp is colored to fit in - probably why they are common members of the seaweed community.
Photo

Shrimp hides in the sargassum

One of the most common inhabitants of the sargassum community, the shrimp Latreutes...
Sea otters floating on the surface of the ocean.
Article

Not Just Another Fuzzy Face

Who hasn’t grinned at the sight of a sea otter floating on its back while...
May 2017
Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
Personal Perspectives

How Coastal Seagrass Feeds the Deep

It is a well-known fact that for animals living in the deep sea, food can be...
February 2013
Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11
Personal Perspectives

A World Adrift: Life in the Sargassum

The open ocean is surprisingly barren to the naked eye. Every now and again you...
May 2012
This shrimp is colored to fit in - probably why they are common members of the seaweed community.
slideshow

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns...
Fri, 05/18/2012 - 16:43
Horseshoe Crab in Stage Harbor, Massachusetts
Photo

Horseshoe Crab in Massachusetts

A small horseshoe crab (Limulus polyphemus) rests on seaweed in Stage Harbor,...

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