pectoral fin :

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pectoral fin


  • n  either of a pair of fins situated just behind the head in fishes that help control the direction of movement
News & Articles

  • Sex over survival: Reproductive trait in fish impedes tissue regeneration
    ( Cell Press ) New research on the reproductive habits of zebrafish offers an explanation as to why some animals' bodies repair tissues. The research team previously noticed that male zebrafish regenerate their pectoral fins poorly, as compared to females. Their latest findings reveal the basis for this sex-specific regenerative deficiency: structures that are used to improve reproductive ...
    Oct. 14, 2013 - EurekAlert!

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