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pelvic fin |
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pelvic fin [′pel·vik ¦fin] (vertebrate zoology) One of the pair of fins of fishes corresponding to the hindlimbs of a quadruped. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Also, the adult males have flanges on their pelvic fins and a hard knob of skin nearby. In that paper, Kingsley's lab showed that mutations in a gene called PitX1 were responsible for the loss of pelvic fins in three different species of a fish called the threespine stickleback. In the past, scientists had speculated that coelacanths might use a pair of pectoral fins and a pair of pelvic fins to crawl along the ocean bottom. |
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