Census of Marine Life

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This colony of Rosacea may look like a single jellyfish, but it is actually a large group of smaller siphonophores clustered and living together. In fact, the zooids (individual siphonophores living in the colony)...
As 10 years of intensive research draw to a close, the Census of Marine Life...
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The Census of Marine Life was a ten-year effort by scientists from around the...
This transparent cockatoo squid ( Leachia sp.), also known as a glass squid,...

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Like this ctenophore ( Aulococtena acuminata ), many animals that live in the midwater zone are red—making them almost invisible in the dim blue light that filters down from the sea surface. This small comb jelly snares prey with...
This brilliant red octopus ( Benthoctopus sp. ) was photographed at more...
This rarely-seen smalleyed rabbitfish ( Hydrolagus affinis ), belonging to...

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Did you know that over 17,000 species thrive in the deep sea where no light penetrates the ocean waves? Or that an old...

The Ocean Blog

As 10 years of intensive research draw to a close, the Census of Marine Life has released the most comprehensive inventory of life in the ocean to date. This landmark collection of scientific papers...
Expedition data went to the Arctic Ocean Diversity database of the Census of Marine Life to establish a baseline that will help to document change in the poorly known Arctic Ocean. Scientist Kevin...
This close-up view of salps, which have aggregated together into a long chain, have brilliant red guts from eating red plankton. They were observed by researchers with the Census of Marine...
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