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3 posts tagged with ocean by WhySharksMatter.
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The tale of the coelacanth

The amazing story of the coelacanth is one of the wonders of the living world that inspires marine biologists such myself. Coelacanths, part of the offshoot lineage of fishes known as "lobed finned ", are very different from typical "ray finned" fishes that you usually think of. Their bizarre lobed fins are thought to be an intermediate step between fish fins and amphibian legs. Scientists had known that these weird fish existed because of fossils for over a century, but we believed that they went extinct 65 million years ago... until a South African fisherman caught one in 1938. [more inside]
posted by WhySharksMatter on Sep 7, 2009 - 49 comments

The other problem with CO2- Ocean Acidification

Most people have heard about how rising CO2 levels are resulting in a changing global climate. Fewer have heard about the other consequence of rising CO2 levels- when the CO2 is absorbed into the oceans, it disassociates into carbonic acid. This alters the pH of our world's oceans, and it's called "Ocean Acidification". This changing ocean chemistry has many important and devastating consequences. [more inside]
posted by WhySharksMatter on Sep 5, 2009 - 21 comments

Disturbing but awesome facts about the Giant Pacific Octopus

By popular demand, your new resident marine biology nerd has compiled some cool information about the Giant Pacific Octopus.The Giant Pacific Octopus (Octopus dofleini) is one of the strangest animals in the sea- and one of the smartest. Though it is commonly believed that vertebrates are always "smarter" than invertebrates, these guys defy that convention. As this video shows, they are able to easily open jars and retrieve food from inside. They are also, as the "Giant" implies, enormous- the biggest one on record was 30 feet across (according to National Geographic) [more inside]
posted by WhySharksMatter on Jul 6, 2009 - 140 comments

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