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The bright, brilliant swirls of blue and green seen from space are a phytoplankton bloom in the Barents Sea.
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Geoengineering Phytoplankton Blooms

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By pumping enormous test tubes that are 60-feet deep and hold almost 15,000 gallons of water with carbon dioxide to make the water inside more acidic, researchers can study how zooplankton, phytoplankton and other small organisms will adapt in the wild.
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Studying Acidification in the Field

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A couple inches wide and up to ten feet long, the bobbit worm stays hidden under tropical sands with just its five antennae poking out—waiting for prey to swim by.
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The Bobbit Worm

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Syllid fireworms can be found mainly on the seafloor, but they switch to a planktonic form to reproduce, where the females use bioluminescent signals.
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Syllid Fireworms

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A beluga whale
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Baby Beluga

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A side-view of translucent hyperiid with a black background.
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Cystisoma

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Image of deep-sea crustacean with black background.
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Vibilia

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Map of sites participating in Ocean Sampling Day 2014.
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Ocean Sampling Day Sites

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Every year, at the same place and time, thousands of female Kemp's ridley sea turtles come ashore to nest and lay their eggs on the beach. This mass nesting event is known as an arribada, meaning “arrival by sea” in Spanish.
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Kemp's Ridley Nesting "Arribada"

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This tentacle belongs to a blue button. While it has a central “float” with streaming tentacles like typical jellyfish, the blue button is a colony of many small hydroid animals.
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Blue Button Tentacle

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Haeckel discovered a species of rhizostome jellyfish in Bellagemma, Ceylon, in December 1881. Its form so impressed him that he used it as a model for ceiling decorations in his Villa Medusa home in Jena.
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Rhizostome Jellyfish

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A puffin with a mouthful of fish.
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Puffin with a Mouthful of Fish

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