News tagged with fins
New species of ghostshark from California and Baja California
Sep 22, 2009 |
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New species are not just discovered in exotic locales -- even places as urban as California still yield discoveries of new plants and animals. Academy scientists recently named a new species of chimaera, an ...
Fossils suggest earlier land-water transition of tetrapod
Other Sciences / Archaeology & Fossils
Apr 17, 2009 |
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New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.
Research links evolution of fins and limbs with that of gills
Mar 23, 2009 |
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The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks, according to research to be published in Proceedings of ...
Killer catfish? Venomous species surprisingly common, study finds
Dec 10, 2009 |
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(PhysOrg.com) -- Name all the venomous animals you can think of and you probably come up with snakes, spiders, bees, wasps and perhaps poisonous frogs. But catfish?
Poisonous Poisson
Dec 04, 2009 |
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In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the ...
Hydrogen peroxide marshals immune system (w/Video)
Jun 03, 2009 |
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When you were a kid your mom poured it on your scraped finger to stave off infection. When you got older you might have even used it to bleach your hair. Now there's another possible function for this over-the-counter colorless ...
Crayfish win by cheating
Mar 25, 2009 |
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(PhysOrg.com) -- A study conducted at UQ's Moreton Bay Research Station has found, when it comes to crayfish, size really does matter.
Primordial fish had rudimentary fingers
Biology /
Sep 22, 2008 |
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Tetrapods, the first four-legged land animals, are regarded as the first organisms that had fingers and toes. Now researchers at Uppsala University can show that this is wrong. Using medical x-rays, they found rudiments ...
Scientists trace shark fins to their geographic origin for first time using DNA tools
Dec 01, 2009 |
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Millions of shark fins are sold at market each year to satisfy the demand for shark fin soup, a Chinese delicacy, but it has been impossible to pinpoint which sharks from which regions are most threatened ...
