News tagged with fish fins
Conservation body agrees to protect silky sharks
(AP) -- Delegates at an international conservation meeting agreed Saturday on a measure mandating that silky sharks accidentally caught in fishing gear be released back into the sea alive, marine advocacy ...
Nov 19, 2011 |
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Lungfish provides insight to life on land
A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...
Oct 04, 2011 |
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How fish swim: Imaging device shows contribution of fins
There are fish tales and then there are fish tails. And a report from Harvard researchers in the current issue of the journal Biology Letters seems to demonstrate that previous theories about how bony fish mo ...
Apr 22, 2011 |
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Female fish flaunt fins to attract a mate
For the first time, biologists have described the evolution of the size of a female trait which males use to choose a partner. The research, published in the open access journal BMC Evolutionary Biology, shows ...
Oct 08, 2010 |
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Harbor seals' whiskers as good at detecting fish as echolocating dolphins
When a hungry harbour seal sets off in pursuit of a fish diner, the animal has a secret weapon in its tracking arsenal: its whiskers. Detecting hydrodynamic trails in water with their sensitive whiskers, seals ...
Jun 11, 2010 |
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Swedish researcher finds missing piece of fossil puzzle
The mode of reproduction seen in modern sharks is nearly 400 million years old. That is the conclusion drawn by Professor Per Erik Ahlberg, Uppsala University, from his discovery of a so-called "clasper" in a primitive fossil ...
Other Sciences / Archaeology & Fossils
Jul 13, 2009 |
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Fossils suggest earlier land-water transition of tetrapod
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.
Other Sciences / Archaeology & Fossils
Apr 17, 2009 |
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