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Wikispecies

 
Red Swordtail (Xiphophorus hellerii)
 
Spot Swordtail (Graphium nomius)

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”, in Science[1], volume 281, number 5380, →DOI, 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.
  2. Any of various papilionid butterflies that have a long sword-like projection from the tornal section of each hindwing.

Hyponyms edit

Translations edit