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News Release 09-120

Different Genes Cause Loss of Body Parts in Similar Fish

Scientists compare how two species of sticklebacks lost pelvises and body armor

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Top photos of fish with pelvises; bottom photos of fish without pelvises and body armor.

The two fish on top have pelvises; the fish on the bottom have evolved differently.

Credit: Mike Shapiro, University of Utah


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Photo of biologist Mike Shapiro with mosquito netting for protection along a lake in Canada.

Biologist Mike Shapiro dons mosquito netting for protection along a lake in Canada.

Credit: Brittany Bannish, University of Utah


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Photo of Mike Shapiro cross-breeding stickleback fish in a field laboratory in Canada.

Mike Shapiro cross-breeds stickleback fish in an impromptu field laboratory in Canada.

Credit: Pam Colismo


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