swordtail

English

Wikispecies

Etymology

sword +‎ tail

Noun

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”, in 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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