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Developing zebrafish fin

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Jessica Plavicki, University of Wisconsin, Madison

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Developing zebrafish fin 

Originally from the waters of India, Nepal and neighboring countries, zebrafish can now be found swimming in science labs (and home aquariums) throughout the world. This fish is a favorite study subject for scientists interested in how genes guide the early stages of prenatal development—including the developing fin shown here—and in the effects of environmental contamination on embryos.

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This page last reviewed on July 28, 2016