Convertible Shark Teeth

Convertible shark teeth described in Science vol. 303, p950, 13 February 2004. Sharks have sharp pointed teeth that are good for spearing fish, squid and other soft bodied prey but not very good for crunching and grinding food encased in tough shells such as crabs and lobsters. Some sharks do eat crabs and other crustaceans […]

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Stone Loach

E.U. Cave Fish “Evolved Super-Fast”

E.U. cave fish “evolved super-fast”, according to articles in New Scientist, Science (AAAS) News and ScienceDaily 3 April 2017 and Current Biology doi: 10.1016/j.cub.2017.02.048. Scientists and cave explorers in Germany have found the first known European cave fish – small fish belonging to the genus Barbatula, also known as stone loaches, in the Danube–Aach underground […]

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Quote: Fishy Fossil Record

“Even as the fossil record becomes better known, the controversies continue and increase, for as the paleontologist, Alfred S. Romer has noted, the increasing knowledge of fossil forms often leads to a ‘triumphant loss of clarity’. Partly for this reason, recent studies of the evolutionary relationships among fishes have relied heavily on comparisons among living […]

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