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a comparison of multiple species of jellyfish
Photo

How Big do Jellyfish Get?

Jellyfish come in all shapes and sizes. Most jellies range from less than half an...
Bubbles of methane gas rise through a mussel bed in the Gulf of Mexico.
Photo

Methane Bubbles Up From Seep

Methane gas, trapped deep within the Earth's crust, can slowly leak from cracks in...
A purple jellyfish
Photo

Stinging Beauty

Don't let this jellyfish's beauty fool you—even glancing one of...
A photo of a squid using bioluminescence to hide in the deep sea.
Photo

Midwater Squid, Abralia veranyi

Glowing photophores are visible on this midwater squid (Abralia veranyi) viewed...
 Scientist Martha Nizinski holds a specimen of a fan sponge (Phakellia sp.) collected at a deep-sea coral study site off the coast of South Carolina.    
Photo

Fan Sponge

Dr. Martha Nizinski holds a specimen of a fan sponge (Phakellia sp.) collected at a...
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...
Amanda Feuerstein with a nesting olive ridley (Lepidochelys olivacea). Feuerstein is a co-author of a study that surveyed algae, crustaceans, mollusks, and other epibionts that live on the turtles in the Pacific Ocean.
Photo

Searching for Life -- Epibionts -- On Sea Turtles

Amanda Feuerstein with a nesting olive ridley (Lepidochelys olivacea). Feuerstein...
A composite photograph of three of the crustaceans found living on olive ridley and green turtles in the Pacific.
Photo

Crustacean Epibionts

In a 2011 study published in the Bulletin of the Peabody Museum of Natural History,...
Up close look at thin tentacles of a jellyfish.
Photo

Jellyfish Tentacles Close Up

Stinging cells (nematocysts) line the tentacles of this moon jelly (Aurelia...
Comb jellies (such as this Bolinopsis species) are named for their combs: the rows of cilia lining their bodies that propel them through the ocean.
Photo

Ctenophore Combs - Close Up

Comb jellies (such as this Bolinopsis species) are named for their combs: the rows...

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