swordtail

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English[edit]

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Etymology[edit]

sword +‎ tail

Noun[edit]

swordtail ‎(plural swordtails)

  1. One of many species of freshwater fish, in genus Xiphophorus, others of which are called platyfish.
    • 1998 August 21, Gretchen Vogel, “EVOLUTIONARY BIOLOGY:Doubled Genes May Explain Fish Diversity”[1], Science, volume 281, number 5380, DOI:10.1126/science.281.5380.1119, pages 1119-1121:
      But ongoing efforts to sequence genes from other fishes, including salmon and swordtail, will also help to test the theory, Postlethwait says.

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